processual entity uterine cervix naris nose chemosensory organ islet of Langerhans pituitary gland submucosa peripheral nervous system parasympathetic nervous system somatic nervous system sympathetic nervous system zone of skin non-material anatomical boundary endocrine pancreas exocrine pancreas compound eye camera-type eye sense organ cutaneous appendage wing tube appendage lymph node lamina propria lamina propria of trachea head primary ovarian follicle secondary ovarian follicle tertiary ovarian follicle follicular fluid follicular antrum serous membrane tendon dorsal root ganglion ganglion simple eye fornix of brain macula lutea macula vessel ureter urethra duct large intestine anatomical wall anatomical structure organ organ subunit organ part respiratory tract fully formed stage embryo stage larval stage pupal stage death stage proximo-distal subdivision of respiratory tract regional part of nervous system renal glomerulus subdivision of skeletal system external ectoderm mixed endoderm/mesoderm-derived structure mixed ectoderm/mesoderm/endoderm-derived structure male reproductive system mesonephros metanephros mesonephric tubule ureteric bud morula zona pellucida inner cell mass trophoblast hypoblast (generic) blastocele bilaminar disc post-embryonic stage sulcus membrane organ cardiac neural crest lobe of lung lung vasculature life cycle life cycle stage zygote stage cleavage stage blastula stage gastrula stage neurula stage organogenesis stage sexually immature stage post-juvenile adult stage lung connective tissue lung epithelium lung saccule respiratory tube lung bud cell layer blood brain barrier perineurium neuron projection bundle endoneurium epineurium neural nucleus cranial nerve nucleus facial nucleus olivary body pectoral fin pelvic fin anterior region of body posterior region of body theca cell layer theca externa theca interna membranous layer anal canal intestine orifice cloaca embryonic cloaca primitive urogenital sinus mouth oral opening oral cavity proximal-distal subdivision of colon pair of lungs respiration organ amniotic fluid excreta blood haemolymphatic fluid neck of radius gyrus endothelial blood brain barrier glial blood brain barrier pallium ventral part of telencephalon compound eye corneal lens tetrapod frontal bone tetrapod parietal bone ligament vertebral arch of axis atlanto-occipital joint supraauricular point amniotic cavity adductor longus tendon sheath amnion blastula body wall breast extensor muscle portion of cartilage tissue in tibia cecum mucosa subarachnoid space cervical mucus colonic mucosa duodenal mucosa late embryo gastric gland pancreatic juice gut wall ileal mucosa yellow bone marrow intestinal gland throat mucosa myelin entire myelin sheath ophthalmic nerve limbic system nuchal ligament parenchyma pharyngeal mucosa blastocyst preputial gland red bone marrow renal medulla urothelium flexor muscle corpus striatum mandibular nerve hindlimb stylopod maxillary nerve tongue muscle tracheal mucosa urinary bladder detrusor smooth muscle apocrine sweat gland musculature of body epiglottis leptomeninx cochlear ganglion vallate papilla colonic epithelium cartilage tissue of sternum jejunal mucosa jejunal epithelium mandibular ramus nasal vestibule scalp sympathetic trunk serous gland bronchial mucosa visual cortex dermal papilla mucous gland artery wall myoepithelium eccrine sweat gland prostate epithelium enteric plexus ventral intermediate nucleus of thalamus arachnoid trabecula trabecula right testicular vein left testicular vein lymphoid follicle habenular trigone septum of telencephalon decidua basalis cerebral subcortex secretion of exocrine gland endocervix uterine wall major vestibular gland organism substance anatomical space material anatomical entity immaterial anatomical entity anatomical system multicellular organism compound organ component simple organ testis female reproductive system organism subdivision acellular anatomical structure anatomical cluster extraembryonic structure tissue anatomical group multi-tissue structure basal lamina of epithelium epithelium simple cuboidal epithelium simple columnar epithelium multilaminar epithelium simple squamous epithelium atypical epithelium cavitated compound organ unilaminar epithelium solid compound organ suspensory ligament of duodenum hippocampal commissure mucus interstitial fluid organismal segment thoracic segment of trunk abdomen egg chorion embryo germ layer ectoderm endoderm mesoderm mesectoderm pharyngeal branch of vagus nerve stomodeum proctodeum pharyngeal muscle ventral nerve cord anterior commissure posterior commissure imaginal disc cranial nerve II stomach cardial valve aorta heart endocrine system brain cerebral cortex lamina medulla of organ optic chiasma thoracic ganglion nerve of cervical vertebra head sensillum cornea lens of camera-type eye retina eye ommatidium antenna neck sternum humerus pleura leg tibia trochanter femur skeletal joint metatarsus region imaginal disc-derived wing axillary vein haltere pons penis reproductive system gonad ovary oviduct spermathecum uterus vagina mammalian vulva seminal vesicle ejaculatory duct vas deferens chitin-based cuticle cuticle skin epidermis respiratory system respiratory airway digestive system renal system circulatory system diaphysis of ulna hemolymph head of radius adipose tissue musculature nervous system central nervous system axon tract nerve fasciculus nervous system commissure nerve sensory nerve diaphysis of radius sheath of Schwann sensory system gustatory system dento-alveolar joint strand of hair chordotonal organ yolk sac foregut chordate pharynx esophagus saliva-secreting gland midgut hindgut neural glomerulus primordium neural tube hypopharynx rectum arthropod neurohemal organ Malpighian tubule corpus cardiacum corpus allatum mushroom body pars intercerebralis anatomical entity flocculus ventral pancreatic duct parotid main excretory duct intervertebral disk vertebral arch joint skin of back external carotid artery superficial cervical artery posterior vena cava ileocecal junction pericardial cavity bony vertebral centrum neural spine transverse process of vertebra pedicle of vertebra prezygapophysis postzygapophysis endocardium of ventricle epicardium of ventricle myocardium of ventricle skin of head skin of trunk pleural fluid urine sweat synovial fluid calcareous tooth vertebral bone 1 vertebral bone 2 sacral vertebra caudal vertebra wall of esophagus axillary lymph node incisor tooth pectoralis minor cartilage of main bronchus diaphragm clavicle bone intercostal muscle latissimus dorsi muscle lobe of liver right lobe of liver left lobe of liver lobe of thyroid gland right lobe of thyroid gland left lobe of thyroid gland serratus ventralis vertebral column parathyroid gland cardiac muscle tissue skeletal muscle tissue smooth muscle tissue mesothelium dorsum superior mesenteric vein renal vein right renal vein left renal vein hepatic vein testicular vein ovarian vein suprarenal vein median nerve cystic duct caecum vermiform appendix colon ascending colon transverse colon descending colon sigmoid colon fundus of stomach body of stomach cardia of stomach pyloric antrum pylorus wall of stomach wall of small intestine wall of large intestine mesentery of small intestine portal lobule hepatic acinus biliary tree common bile duct common hepatic duct right hepatic duct left hepatic duct visceral peritoneum peritoneal cavity superior mesenteric artery inferior mesenteric artery renal artery right renal artery left renal artery testicular artery right testicular artery left testicular artery ovarian artery common iliac artery hepatic artery splenic artery mucosa of stomach submucosa of stomach serosa of stomach pyloric sphincter muscularis mucosae of stomach mucosa of small intestine submucosa of small intestine serosa of small intestine mucosa of large intestine submucosa of large intestine serosa of large intestine muscularis mucosae of small intestine Peyer's patch duodenal gland intestinal villus jejunal vein ileal vein right ureter left ureter renal pelvis cortex of kidney renal papilla renal corpuscle glomerular capsule nephron tubule collecting duct of renal tubule right adrenal gland left adrenal gland adrenal cortex adrenal medulla paraaortic body lamina propria of small intestine muscularis mucosae of large intestine muscularis mucosae of intestine crypt of Lieberkuhn of small intestine intestinal mucosa serosa of intestine internal anal sphincter anus interlobular bile duct falciform ligament spleen lymphoid follicle red pulp of spleen marginal zone of spleen adventitia of ureter lamina propria of ureter urothelium of ureter urinary bladder wall of urinary bladder trigone of urinary bladder neck of urinary bladder mucosa of urinary bladder serosa of urinary bladder lamina propria of urinary bladder wall of intestine pancreatic acinus pancreas trabecula of spleen femoral nerve peritoneal fluid acetabular part of hip bone bony pelvis pelvic girdle region innominate bone ilium ischium pubis epithelium of stomach intestinal epithelium epithelium of large intestine portal triad liver parenchyma hepatic sinusoid intralobular bile duct bile canaliculus nephron Bowman's space proximal convoluted tubule loop of Henle descending limb of loop of Henle proximal straight tubule thick ascending limb of loop of Henle distal convoluted tubule outer medulla of kidney inner medulla of kidney endometrium myometrium serosa of uterus glans penis scrotum epididymis right uterine tube left uterine tube germinal epithelium of ovary ovarian follicle cumulus oophorus capsule of ovary external iliac artery internal iliac artery umbilical artery superior vesical artery internal iliac vein vaginal vein sciatic nerve tibial nerve common fibular nerve muscle of pelvis lobe of prostate prostate gland anterior lobe pampiniform plexus skin of penis prepuce of penis male urethra female urethra prostatic urethra membranous urethra of male or female spongiose part of urethra urethral gland mesovarium seminiferous tubule of testis epithelium of vagina vaginal hymen white adipose tissue brown adipose tissue externally connecting tube lumen coccyx lacrimal sac external acoustic meatus anal region cerebrospinal fluid femoral vein sacro-iliac joint parietal peritoneum external anal sphincter quadriceps femoris rectus femoris vastus lateralis vastus medialis muscle of leg primary motor cortex tibialis anterior extensor digitorum longus fibularis longus gastrocnemius soleus muscle auditory cortex axillary artery skin of pelvis skin of abdomen skin of neck skin of thorax skin of limb pectoral girdle region facial lymphatic vessel radius bone ulna pectoral lymphatic vessel jugular lymphatic vessel radiale intermedium pisiform distal carpal bone 1 distal carpal bone 2 distal carpal bone 3 distal carpal bone 4 skeletal system carpal bone phalanx of manus epiphysis metaphysis compact bone tissue forelimb skeleton hindlimb skeleton skeleton of manus chest subdivision of head skeleton of pes fibula tarsal bone metatarsal bone phalanx of pes calcaneus navicular bone of pes distal tarsal bone 1 face skin of eyelid skin of lip skin of external ear arm elbow manual digit 1 hip knee pedal digit shoulder intervertebral joint sternoclavicular joint glenohumeral joint skin of prepuce of penis vaginal venous plexus lymphatic vessel bone element deltoid infraspinatus muscle teres major muscle sesamoid bone proximal carpal bone distal carpal bone muscle of shoulder skin of shoulder articular capsule knee joint hip joint pes joint ankle joint manus joint elbow joint wrist joint radial nerve axillary nerve pectoral muscle ascending aorta muscle of pelvic girdle muscle of pes muscle of arm muscle of manus interosseous muscle of manus dorsal interosseous of manus biceps brachii arch of aorta triceps brachii skin of knee skin of leg skin of ankle skin of pes descending aorta thoracic aorta abdominal aorta skin of elbow skin of wrist skin of manus radio-ulnar joint brachiocephalic artery common carotid artery plus branches right common carotid artery plus branches internal carotid artery subclavian artery right subclavian artery vertebral artery left common carotid artery plus branches anterior tibial artery inguinal lymph node popliteal lymph node popliteal vein vein of hindlimb zeugopod kidney arcuate artery skin of hip digestive tract lower urinary tract upper respiratory tract lower respiratory tract neck of organ mylohyoid muscle geniohyoid muscle cheek muscle of larynx genioglossus muscle hyoglossus muscle styloglossus palatoglossus muscle extrinsic muscle of tongue intrinsic muscle of tongue facial muscle orbicularis oculi muscle olfactory nerve levator labii superioris depressor labii inferioris buccinator muscle left subclavian artery anterior vena cava internal jugular vein thymic vein venous plexus azygos vein masseter muscle temporalis muscle stapedius muscle tensor tympani extra-ocular muscle medial rectus extraocular muscle lateral rectus extra-ocular muscle levator palpebrae superioris ciliary muscle muscle of iris sphincter pupillae dilatator pupillae isthmus of thyroid gland lingual artery facial artery maxillary artery mental artery ophthalmic artery central retinal artery coronary artery lacrimal artery dorsal nasal artery anterior cerebral artery middle cerebral artery posterior communicating artery carotid body muscle organ thoracic duct basilar artery mesencephalic artery superior cerebellar artery posterior cerebral artery artery vein hepatic portal vein celiac artery oculomotor nerve trochlear nerve trigeminal nerve abducens nerve facial nerve vestibulocochlear nerve glossopharyngeal nerve hypoglossal nerve facial vein cerebral vein triceps surae tibialis posterior cerebellar vein anterior cerebral vein masseteric vein trigeminal ganglion occipital bone sphenoid bone temporal bone ethmoid bone lacrimal bone nasal bone palatine bone jugal bone mandible hyoid bone auditory ossicle bone stapes bone incus bone malleus bone ear external ear basioccipital bone exoccipital bone petrous part of temporal bone squamous part of temporal bone orbit of skull foramen ovale of skull sensory root of facial nerve geniculate ganglion glossopharyngeal ganglion eyelash neurocranium nail nasal septum nasal cavity jaw skeleton upper jaw region lower jaw region eyelid upper eyelid lower eyelid cranial ganglion oculomotor nuclear complex secondary palate mesencephalic nucleus of trigeminal nerve cochlear nucleus tongue sphenoidal sinus cranial synchondrosis papilla of tongue taste bud nasopharynx oropharynx extrinsic ligament of larynx cavity of pharynx pharyngeal tonsil soft palate palatine uvula tonsillar ring submandibular gland larynx thyroid cartilage laryngeal cartilage arytenoid cartilage epiglottic cartilage ligament of larynx lymphoid tissue secondary nodular lymphoid tissue capsule of thyroid gland parenchyma of thyroid gland capsule of parathyroid gland parenchyma of parathyroid gland lacrimal apparatus dentine enamel cementum dental pulp distal part of styloid process of temporal bone middle ear pinna periodontium vagus nerve frontal sinus future foramen cecum turbinate bone odontogenic papilla maxillary sinus mammary duct anterior chamber of eyeball posterior chamber of eyeball uvea iris pupil corneal epithelium sclera skeletal muscle of trunk ciliary body optic choroid substantia propria of cornea ciliary epithelium iris stroma spinal nerve layer of retina pigmented layer of retina optic disc cranial nerve fovea centralis photoreceptor layer of retina outer limiting layer of retina outer nuclear layer of retina outer plexiform layer of retina inner nuclear layer of retina ganglionic layer of retina nerve fiber layer of retina inner limiting layer of retina inner plexiform layer of retina aqueous humor of eyeball vitreous humor vitreous body vitreous chamber of eyeball sensory ganglion anterior segment of eyeball posterior segment of eyeball epithelium of lens capsule of lens autonomic ganglion sympathetic ganglion paravertebral ganglion parasympathetic ganglion enteric ganglion nerve plexus conjunctiva palpebral conjunctiva spinal nerve plexus brachial nerve plexus lumbosacral nerve plexus autonomic nerve plexus lacrimal gland tarsal gland palpebral fissure sweat gland sebaceous gland nasal cartilage mucosa of larynx paranasal sinus nasal cavity mucosa secretion of lacrimal gland gingiva major salivary gland minor salivary gland parotid gland sublingual gland lip upper lip lower lip saliva duct of salivary gland sublingual duct bony labyrinth semicircular canal anterior semicircular canal posterior semicircular canal lateral semicircular canal cochlea perilymph internal ear lobule of pinna auricular cartilage membranous labyrinth lacrimal drainage system cortex endolymph utricle of membranous labyrinth saccule of membranous labyrinth cochlear duct of membranous labyrinth semicircular duct anterior semicircular duct posterior semicircular duct lateral semicircular duct endolymphatic duct vestibular labyrinth scala vestibuli scala tympani sebum cartilage of external ear skin of chest cerebral hemisphere frontal cortex temporal lobe parietal lobe caudate nucleus putamen globus pallidus amygdala island of Calleja nucleus accumbens olfactory tubercle phrenic nerve dentate gyrus of hippocampal formation choroid plexus internal capsule of telencephalon lateral olfactory stria trunk of phrenic nerve forebrain midbrain rhombomere telencephalon diencephalon metencephalon medulla oblongata dorsal plus ventral thalamus hypothalamus epithalamus ventral thalamus epithelium of trachea epithelium of small intestine habenula pineal body subthalamic nucleus optic tract habenular commissure medial forebrain bundle mammary gland lobule of mammary gland milk endothelium of capillary endothelium of arteriole endothelium of artery endothelium of venule endothelium of vein paraventricular nucleus of thalamus parafascicular nucleus central medial nucleus paracentral nucleus ventral lateral nucleus of thalamus lateral geniculate body medial geniculate body preoptic area supraoptic nucleus paraventricular nucleus of hypothalamus ventromedial nucleus of hypothalamus lateral hypothalamic nucleus midbrain tegmentum pretectal region superior colliculus inferior colliculus red nucleus regional part of spinal cord gingival epithelium neocortex epithelium of nasopharynx epithelium of oropharynx Ammon's horn epithelium of respiratory bronchiole cartilage of bronchus submucosa of bronchus terminal bronchiole epithelium white pulp of spleen periarterial lymphatic sheath mucosa-associated lymphoid tissue gut-associated lymphoid tissue bronchial-associated lymphoid tissue substantia nigra pars compacta substantia nigra pars reticulata semen blood plasma bile gastric juice submucosa of esophagus lamina propria of esophagus serosa of esophagus epithelium of esophagus blood serum parenchyma of pancreas venule arteriole blood vessel capillary crypt of Lieberkuhn crypt of Lieberkuhn of large intestine corneal endothelium endothelium placenta feces superior cervical ganglion middle cervical ganglion cervical ganglion papillary layer of dermis reticular layer of dermis hyaline cartilage tissue fibrocartilage elastic cartilage tissue olfactory epithelium sternocostal joint gluteal muscle joint of rib trunk of sciatic nerve enteric nervous system cortex of lymph node medulla of lymph node cardiac nerve plexus pulmonary artery kidney capsule pulmonary vein portal vein synovial membrane of synovial joint accessory XI nerve gray matter occipital lobe stratum basale of epidermis stratum spinosum of epidermis stratum corneum of epidermis hindbrain epithelium of gall bladder nipple epithelium of bronchus areola arrector muscle of hair suprachiasmatic nucleus striated muscle tissue cerebellum substantia nigra bronchial artery lymphatic vessel endothelium dorsal raphe nucleus thyroid gland pontine raphe nucleus lung vasculature embryonic structure epithelium of bronchiole adrenal gland capsule zona glomerulosa of adrenal gland zona fasciculata of adrenal gland zona reticularis of adrenal gland phrenic artery main ciliary ganglion submandibular ganglion femoral artery truncus arteriosus endocardial cushion sinus venosus common cardinal vein posterior cardinal vein umbilical vein dermis urachus stratum granulosum of epidermis stratum lucidum of epidermis hypodermis hair follicle hair shaft viscus cuticle of hair cortex of hair right cardiac atrium left cardiac atrium heart right ventricle cardiac atrium cardiac ventricle ductus venosus heart left ventricle interatrial septum sinoatrial valve atrioventricular canal postcranial axial skeleton appendicular skeleton brain dura mater spinal dura mater interventricular septum mesentery skin of body apex of heart cardiac septum trunk limb forelimb hindlimb visual system vestibulo-auditory system spleen liver small intestine gall bladder artery smooth muscle tissue smooth muscle of esophagus kidney duodenum jejunum ileum right ovary left ovary pronephros capsule of thymus cortex of thymus medulla of thymus thymus lobule inferior olivary complex superior olivary complex cerebellar cortex cerebellar nuclear complex anterior lobe of cerebellum dentate nucleus atrioventricular valve tricuspid valve mitral valve aortic valve habenulo-interpeduncular tract subcommissural organ parvocellular oculomotor nucleus pedunculopontine tegmental nucleus dorsal tegmental nucleus interpeduncular nucleus pulmonary valve locus ceruleus superior salivatory nucleus superior cerebellar peduncle pontine nuclear group middle cerebellar peduncle fastigial nucleus lateral reticular nucleus nucleus raphe magnus nucleus raphe pallidus area postrema inferior cerebellar peduncle tectobulbar tract endocardium endocardium of atrium right lung left lung alveolar sac upper lobe of right lung lower lobe of right lung pulmonary alveolar duct middle lobe of right lung right main bronchus left main bronchus lateral funiculus of spinal cord ventral funiculus of spinal cord main bronchus lobar bronchus segmental bronchus bronchus bronchiole terminal bronchiole respiratory bronchiole subcutaneous adipose tissue subiculum ventricular system choroidal fissure hemolymphoid system capsule of lymph node trabecula of lymph node adenohypophysis median eminence of neurohypophysis neurohypophysis integument vasculature of head vasculature of trunk submucosa of trachea vasculature of eye musculoskeletal system manubrium of sternum mammillary body xiphoid process sternebra fibrous joint syndesmosis nerve root macula of saccule of membranous labyrinth cartilaginous joint macula of utricle of membranous labyrinth synchondrosis symphysis synovial joint tympanic ring fontanelle perichondrium endolymphatic sac thoracic cavity basilar membrane of cochlea spiral organ of cochlea rib interparietal bone body of rib olfactory gland tectorial membrane of cochlea proximal phalanx of manus tubercle of rib costal cartilage true rib false rib floating rib spinal cord chondrocranium nucleus pulposus premaxilla cerebellar hemisphere uterine horn popliteal artery thyroglossal duct vomeronasal organ dorsal horn of spinal cord ventral horn of spinal cord dorsal funiculus of spinal cord corpora quadrigemina ventral root of spinal cord dorsal root of spinal cord lentiform nucleus olfactory bulb olfactory tract olfactory organ hyaloid artery periventricular zone of hypothalamus medial zone of hypothalamus lateral zone of hypothalamus reticular formation lamina of spiral limbus perilymphatic space vestibular aqueduct otolith vestibular membrane of cochlear duct stria vascularis of cochlear duct nail matrix telencephalic ventricle third ventricle optic recess of third ventricle choroid plexus of third ventricle midbrain cerebral aqueduct choroid plexus of fourth ventricle central canal of spinal cord costovertebral joint costochondral joint biliary system scala media dorsal mesentery cerumen brainstem alveolus of lung layer of neocortex myocardium of atrium juxtaglomerular apparatus layer of dentate gyrus layer of hippocampus choroid plexus of lateral ventricle nucleus of brain medial longitudinal fasciculus hippocampus fimbria hippocampus pyramidal layer midbrain tectum gray matter of spinal cord white matter white matter of cerebellum white matter of spinal cord mesangium glomerular mesangium extraglomerular mesangium periventricular nucleus coelemic cavity lumen muscle of back epithelium of urethra lamina propria of urethra trunk of intercostal nerve notochord somite exocrine system umbilical cord pulmonary trunk submandibular duct macula densa corpus callosum endometrial stroma lamina propria of bronchus epithelium of lobar bronchus epithelium of main bronchus epithelium of segmental bronchus neural crest abdomen musculature descending thoracic aorta neurectoderm thoracic vertebra epicardium myocardium conducting system of heart sinoatrial node atrioventricular node atrioventricular bundle cardiac Purkinje fiber pelvic region of trunk perineum serous pericardium peritoneum fibrous pericardium meninx pia mater arachnoid mater dura mater tympanic membrane exocrine gland bulbo-urethral gland prostate gland endocrine gland adrenal gland thymus bone marrow tonsil metacarpal bone cricoid cartilage cranial muscle muscle of neck muscle of abdomen perineal muscle trapezius muscle pectoralis major rectus abdominis muscle supraspinatus muscle connective tissue muscle tissue forelimb zeugopod pes manual digit hematopoietic system lymph nasolacrimal duct pharyngotympanic tube bile duct talus vomer maxilla manus parietal pleura visceral pleura pleural cavity immune system pericardial sac pericardium parietal serous pericardium pericardial fluid autonomic nervous system clitoris vertebra cervical vertebra lumbar vertebra tail integumental system abdominal segment of trunk cartilage tissue skin gland basal ganglion hippocampal formation fourth ventricle hepatobiliary system oral epithelium visceral serous pericardium chest muscle arm skin limb bone cervical lymph node lateral hypothalamic area pars intermedia of adenohypophysis pituitary stalk striatum primary visual cortex cerebral hemisphere white matter ventral tegmental nucleus myenteric nerve plexus cervicothoracic ganglion axillary nerve trunk choroidal blood vessel lens fiber ulnare patella palatine gland fungiform papilla decidua endometrial gland ethmoid sinus internal thoracic artery intersomitic artery spinal artery inferior palpebral vein vesical vein anterior abdominal wall muscle muscle of posterior compartment of hindlimb stylopod nerve trunk lymphoid system intestine secretion filiform papilla foliate papilla esophagus mucosa autopod region zeugopod stylopod intercerebral commissure cerebellar peduncular complex orbitosphenoid bone tissue lamellar bone trabecular bone tissue bone marrow cavity prostate duct glottis tooth cavity helix of outer ear coronal suture frontal suture lambdoid suture sagittal suture uterine artery papillary muscle of heart long bone stapes base acromion deltopectoral crest cochlear labyrinth zygomatic arch oval window round window of inner ear greater trochanter lesser trochanter spiral modiolar artery iris epithelium abdominal lymph node celiac lymph node mesenteric lymph node anterior fontanel trabecula carnea corpus luteum endochondral bone intramembranous bone periosteum epiphyseal plate basicranium otolith organ otolithic part of statoconial membrane submandibular lymph node elastic tissue tunica media tunica intima brachial lymph node pancreatic lymph node sacral lymph node limb segment gland paired fin bud epiblast (generic) post-anal tail bud paired fin gill arthropod sensillum hermaphrodite gonad hatching gland pharyngeal arch lateral line system germ ring scale digit cranial placode larva anterior hypothalamic region anatomical cavity intermediate hypothalamic region organ cavity medullary reticular formation lumen of central nervous system olivary pretectal nucleus basal part of pons pontine reticular formation postcentral gyrus commissure of superior colliculus decussation of superior cerebellar peduncle lateral corticospinal tract limbic lobe emboliform nucleus neuropil cochlear nuclear complex cerebellum globose nucleus ventral tegmental decussation regional part of brain root of trochlear nerve cerebral peduncle motor nucleus of trigeminal nerve anterior nucleus of hypothalamus midbrain reticular formation dorsal longitudinal fasciculus of medulla medial longitudinal fasciculus of midbrain septal nuclear complex oculomotor nerve root vestibular nuclear complex abducens nucleus supramarginal gyrus ventral tegmental area medullary raphe nuclear complex precentral gyrus metathalamus midline nuclear group corticospinal tract posterior nuclear complex of thalamus lateral sulcus trochlear nucleus cervical spinal cord entorhinal cortex vestibulocochlear nerve root intralaminar nuclear group lamina of septum pellucidum basal forebrain regional part of cerebellar cortex medial longitudinal fasciculus of medulla pyramidal decussation ventral corticospinal tract vestibulospinal tract superior temporal gyrus posterior hypothalamic region ventral nuclear group root of abducens nerve decussation of trochlear nerve anterior nuclear group lumbar spinal cord dorsal longitudinal fasciculus of pons medial longitudinal fasciculus of pons motor root of trigeminal nerve left parietal lobe right parietal lobe left limbic lobe right limbic lobe left occipital lobe right occipital lobe left temporal lobe right temporal lobe right frontal lobe left frontal lobe left cerebral hemisphere right cerebral hemisphere apex of cochlea vestibular ganglion superior part of vestibular ganglion vestibulocochlear ganglion thoracic dorsal root ganglion lumbar dorsal root ganglion fifth lumbar dorsal root ganglion central gray substance of medulla hypoglossal nucleus nucleus of lateral olfactory tract olfactory cortex secondary olfactory cortex chiasmatic cistern hippocampal sulcus central sulcus longitudinal fissure terminal nerve trigeminal nucleus gustatory epithelium dorsal hypothalamic area granular layer of cerebellar cortex archicortex rostral intralaminar nuclear group cingulate gyrus central gray substance of pons parahippocampal gyrus molecular layer of cerebellar cortex Purkinje cell layer of cerebellar cortex first dorsal interosseous of manus mammillothalamic tract of hypothalamus dorsal longitudinal fasciculus of midbrain dorsal longitudinal fasciculus of hypothalamus facial motor nucleus flocculonodular lobe central lobule pontine tegmentum cingulate cortex commissure of inferior colliculus posterior nucleus of thalamus septum thoracic spinal cord anterior commissure anterior part central gray substance of midbrain trigeminal nerve fibers posterior part of anterior commissure dorsal longitudinal fasciculus collagen and cuticulin-based cuticle olfactory placode ear vesicle midbrain-hindbrain boundary ventricular zone roof plate periderm pre-chordal neural plate chordal neural plate hypochord presomitic mesoderm pronephric duct blood island primitive knot prechordal plate intermediate mesoderm ciliary marginal zone pharyngeal arch 2 dorsolateral placode axial mesoderm otic placode trigeminal placode complex eye primordium optic cup lens placode mesonephric duct neural plate posterior neural tube paraxial mesoderm epibranchial placode floor plate anterior neural tube lateral plate mesoderm myotome trunk neural crest heart primordium ventral aorta caudal artery anterior cardinal vein caudal vein sclerotome supraorbital lateral line thyroid primordium ultimobranchial body occipital lateral line infraorbital lateral line dorsal lateral line middle lateral line dorsal fin optic stalk cranial neural crest female organism male organism surface structure compound organ mesenchyme dorsal lateral plate region urostyle Meckel's cartilage suspensorium parapophysis otic region sphenoid region olfactory region dermatocranium pharyngeal arch 3 pharyngeal arch 4 pharyngeal arch 5 pharyngeal arch 6 pharyngeal arch artery 1 pharyngeal arch artery 2 pharyngeal arch artery 3 pharyngeal arch artery 4 pharyngeal arch artery 5 pharyngeal arch artery 6 chorion vitelline membrane trachea open tracheal system trachea cranium skull arthropod sternum arthropod tibia reproductive organ female reproductive organ male reproductive organ prepupa pupa head capsule arthropod occiput dorsal ocellus lateral ocellus imaginal disc-derived wing vein egg chamber exocuticle endocuticle blood-cerebrospinal fluid barrier median eye gustatory organ mammary gland alveolus alveolus hard palate neural lobe of neurohypophysis ovary septum metanephric mesenchyme phalanx epithelium of elbow epithelium of carpal region epithelium of hip epithelium of knee epithelium of shoulder epithelium of upper jaw epithelium of lower jaw epithelium of superior semicircular canal epithelium of posterior semicircular canal epithelium of lateral semicircular canal epithelium of utricle epithelium of saccule epithelium of cochlear duct epithelium of mammary gland epithelium of endolymphatic sac epithelium of forearm epithelium of footplate epithelium of otic placode thoracic rib cage neck of rib amniotic ectoderm yolk sac endoderm endoderm of foregut endoderm of midgut endoderm of hindgut thyroid primordium endoderm amniotic mesoderm chorionic mesenchyme tooth of upper jaw tooth of lower jaw skeletal muscle tissue of eye skeleton of upper jaw skeleton of lower jaw endothelium of trachea endothelium of main bronchus mesentery of stomach mesentery of heart mesentery of oesophagus mesentery of midgut meninx of midbrain meninx of telencephalon meninx of diencephalon meninx of hindbrain meninx of spinal cord gland of foregut pharyngeal gland gland of diencephalon gland of integumental system roof plate of midbrain roof plate of telencephalon roof plate of diencephalon roof plate of metencephalon roof plate of medulla oblongata mesoderm blood island floor plate of neural tube floor plate of midbrain floor plate of telencephalon floor plate of diencephalon floor plate of metencephalon floor plate of medulla oblongata mesenchyme of testis eye mesenchyme mesenchyme of ovary mesenchyme of yolk sac odontogenic papilla of incisor mesenchyme of elbow mesenchyme of carpal region mesenchyme of hip mesenchyme of knee mesenchyme of shoulder mesenchyme of upper jaw mesenchyme of lower jaw mesenchyme of pinna mesenchyme of mammary gland mesenchyme of forearm mesenchyme of footplate submucosa of anal canal submucosa of rectum submucosa of colon submucosa of duodenum submucosa of jejunum serosa of rectum serosa of colon serosa of duodenum serosa of jejunum ganglion of peripheral nervous system ganglion of central nervous system mucosa of anal canal mucosa of oral region mucosa of rectum epithelium of mucosa pharyngeal epithelium epithelium of midgut epithelium of hindgut epithelium of rectum epithelium of incisor epithelium of nasal septum epithelium of tongue epithelium of soft palate epithelium of submandibular gland epithelium of parotid gland epithelium of sublingual gland epithelium of endolymphatic duct epithelium of right lung epithelium of left lung epithelium of uterine horn epithelium of vomeronasal organ epithelium of hard palate pelvic appendage bud ectoderm pectoral appendage bud ectoderm ectoderm of footplate chorionic ectoderm cardiac muscle of auricular region cardiac muscle of right atrium cardiac muscle of left atrium cardiac muscle of right ventricle cardiac muscle of left ventricle cardiac muscle tissue of interventricular septum skeletal muscle tissue of pharynx smooth muscle of eye smooth muscle of trachea mesothelium of pericardial cavity mesothelium of diaphragm mesothelium of pleural cavity mesentery of urinary system mesentery of hindgut mesentery of rectum mesentery of colon mesentery of duodenum mesentery of jejunum skin of forearm lobar bronchus of right lung lobar bronchus of left lung cartilage of respiratory system cartilage of nasal septum gland of digestive tract gland of tongue oropharyngeal gland pelvic appendage bud mesenchyme pectoral appendage bud mesenchyme mesenchyme of mandible mesenchyme of nasal septum mesenchyme of tongue mesenchyme of soft palate mesenchyme of submandibular gland mesenchyme of parotid mesenchyme of sublingual gland mesenchyme of vomeronasal organ mesenchyme of umbilical cord mesenchyme of hard palate renal lymph node dermis adipose tissue abdominal fat pad gonadal fat pad abdomen nerve neck nerve leg nerve chest nerve arm nerve wrist nerve pedal digit nerve shoulder nerve eyelid nerve iris nerve nerve of trunk region limb nerve forelimb nerve hindlimb nerve thoracic cavity nerve pelvis nerve pes nerve ankle nerve digit nerve of manus manus nerve tail intervertebral disc upper jaw incisor lower jaw incisor trabecula carnea cardiac muscle tissue large intestine Peyer's patch small intestine Peyer's patch inner renal medulla loop of Henle respiratory system lymphatic vessel head bone neck bone chest bone arm bone shoulder bone facial bone trunk bone hindlimb bone forelimb zeugopod bone sesamoid bone of gastrocnemius ureteric segment of renal artery respiratory system artery artery of upper lip artery of lower lip cerebellar artery thoracic cavity artery meningeal artery ureteric vein respiratory system venous blood vessel vein of upper lip vein of lower lip thoracic cavity vein vein of clitoris tail vein vein of trabecular bone thymus lymphoid tissue eye sebaceous gland vagina sebaceous gland skin sebaceous gland abdominal mammary gland respiratory system capillary endothelium respiratory system venule respiratory system arteriole head blood vessel abdomen blood vessel heart blood vessel brain blood vessel corneal blood vessel retina blood vessel neck blood vessel leg blood vessel respiratory system blood vessel trachea blood vessel chest blood vessel arm blood vessel pedal digit blood vessel arterial blood vessel eyelid blood vessel iris blood vessel lung blood vessel trunk blood vessel limb blood vessel forelimb blood vessel hindlimb blood vessel kidney blood vessel main bronchus blood vessel thoracic cavity blood vessel pelvis blood vessel pes blood vessel manual digit blood vessel manus blood vessel tail blood vessel respiratory system capillary kidney capillary brain gray matter respiratory system lymphatic vessel endothelium pedal digit skin forelimb skin hindlimb skin manual digit skin tail skin vagus X nerve trunk right lung alveolar duct left lung alveolar duct right lung bronchiole left lung bronchiole right lung terminal bronchiole left lung terminal bronchiole right lung respiratory bronchiole left lung respiratory bronchiole brain white matter distal convoluted tubule macula densa brain meninx forebrain meninges brain pia mater forebrain pia mater midbrain pia mater telencephalon pia mater diencephalon pia mater hindbrain pia mater spinal cord pia mater forebrain arachnoid mater midbrain arachnoid mater diencephalon arachnoid mater hindbrain arachnoid mater spinal cord arachnoid mater forebrain dura mater midbrain dura mater telencephalon dura mater diencephalon dura mater hindbrain dura mater head connective tissue abdomen connective tissue neck connective tissue leg connective tissue respiratory system connective tissue trachea connective tissue chest connective tissue arm connective tissue elbow connective tissue wrist connective tissue hip connective tissue knee connective tissue pedal digit connective tissue shoulder connective tissue lower respiratory tract connective tissue eyelid connective tissue nasopharynx connective tissue larynx connective tissue mammary gland connective tissue dermis connective tissue trunk connective tissue limb connective tissue forelimb connective tissue hindlimb connective tissue main bronchus connective tissue lobar bronchus connective tissue bronchus connective tissue thoracic cavity connective tissue pelvis connective tissue pes connective tissue ankle connective tissue manual digit connective tissue manus connective tissue tail connective tissue neck cartilage lower respiratory tract cartilage trachea cartilage eye skin gland limb long bone forelimb long bone hindlimb long bone aorta elastic tissue heart elastic tissue respiratory system elastic tissue cardiovascular system elastic tissue blood vessel elastic tissue lung elastic tissue bronchus elastic tissue trachea elastic tissue aorta tunica media aorta tunica intima manual digit 1 phalanx manual digit 2 manual digit 3 manual digit 4 manual digit 5 pedal digit 1 pedal digit 2 pedal digit 3 pedal digit 4 pedal digit 5 manual digit 2 phalanx manual digit 3 phalanx manual digit 4 phalanx manual digit 5 phalanx pedal digit 1 phalanx pedal digit 2 phalanx pedal digit 3 phalanx respiratory system arterial blood vessel kidney arterial blood vessel metacarpal bone of digit 1 metacarpal bone of digit 2 metacarpal bone of digit 3 metacarpal bone of digit 4 metacarpal bone of digit 5 metatarsal bone of digit 1 metatarsal bone of digit 2 metatarsal bone of digit 3 metatarsal bone of digit 4 metatarsal bone of digit 5 molar tooth mesopodium bone limb joint hip muscle pedal digit muscle eyelid muscle limb muscle forelimb muscle hindlimb muscle manual digit muscle post-anal tail muscle upper jaw molar lower jaw molar dentition cuspid tooth crown patellar ligament tooth root mouth floor masticatory muscle palatal muscle rotator cuff abdominal cavity cranial suture foramen magnum omentum sella turcica fused sacrum epidural space acromioclavicular joint retroperitoneal space atlanto-axial joint metacarpophalangeal joint metatarsophalangeal joint abdominal wall subtalar joint pubic symphysis temporomandibular joint calcaneal tendon inguinal canal extrahepatic bile duct intrahepatic bile duct laryngeal vocal fold sinus of Valsalva circle of Willis brachiocephalic vein cavernous sinus neural tissue splanchnic nerve recurrent laryngeal nerve muscle spindle Pacinian corpuscle anterior cranial fossa lingual nerve middle cranial fossa vestibular nerve musculocutaneous nerve cervical nerve plexus thoracic nerve intercostal nerve mediastinum mouth mucosa prostate bud metapodium bone forelimb stylopod hindlimb zeugopod nerve of thoracic segment nerve of abdominal segment upper leg bone thoracic segment bone abdominal segment bone urethra muscle tissue thoracic segment muscle respiratory system muscle esophagus muscle abdominal segment muscle thoracic segment blood vessel abdominal segment blood vessel abdominal segment skin thoracic segment connective tissue abdominal segment connective tissue forelimb joint hindlimb joint autopod joint neural tube lumen dental epithelium upper eyelid epithelium lower eyelid epithelium thymus epithelium thyroid artery gonadal vein mesencephalic neural crest telencephalon neural crest diencephalon neural crest rhombencephalon neural crest spinal cord neural crest spinal cord neural plate gonad mesenchyme uncondensed odontogenic mesenchyme upper eyelid mesenchyme lower eyelid mesenchyme forelimb mesenchyme hindlimb mesenchyme neural arch pedal digit 4 phalanx pedal digit 5 phalanx middle phalanx of manus distal phalanx of manus middle phalanx of pes distal phalanx of pes proximal phalanx of pes presumptive ganglion hippocampal field CA1 field of hippocampus CA2 field of hippocampus CA3 field of hippocampus CA4 field of hippocampus mesometrium future coelemic cavity lumen intraembryonic coelom extraembryonic coelomic cavity fallopian tube Mullerian duct stroma capsule liver primordium hypaxial myotome region axial muscle skeletal muscle tissue of trunk epaxial myotome region horizontal septum retinal neural layer cardiac jelly left atrioventricular canal right atrioventricular canal sinusoid splenic sinusoid choroid plexus epithelium chitinous tooth tooth-like structure epithelial tube endothelial tube fat pad arthropod fat body kidney mesenchyme venous blood vessel pancreas primordium pancreatic epithelial bud dorsal pancreatic bud ventral pancreatic bud photoreceptor inner segment layer photoreceptor outer segment layer digestive system duct digestive tract epithelium atrioventricular canal endocardium diencephalic white matter cartilage element of chondrocranium cranial cartilage mesenchyme pectoral fin mesenchyme pelvic fin postoptic commissure reproductive gland sensory dissociation area transverse gyrus of Heschl cerebellum anterior vermis somatic sensory system fourth lumbar dorsal root ganglion somatic motor system placenta labyrinth brain ventricle/choroid plexus blood-air barrier tubal tonsil inner ear canal ocular fundus anterior stroma of cornea posterior stroma of cornea squamoparietal suture molar crown aqueous drainage system Bruch's membrane long bone epiphyseal ossification zone rete testis styloid process of temporal bone cingulum of brain pterygopalatine ganglion otic ganglion prevertebral ganglion sympathetic afferent fiber gonial bone cutaneous elastic tissue peripheral lymph node placental labyrinth vasculature interfrontal bone placenta junctional zone nasal concha of ethmoid bone upper part of vagina internal female genitalia saccule duct utricle duct valve utricle valve cerebellum fissure primordial ovarian follicle mature ovarian follicle conus arteriosus uterine tube infundibulum major sublingual duct minor sublingual duct Hassall's corpuscle thymus corticomedullary boundary medulla oblongata anterior median fissure spinal cord motor column fourth ventricle median aperture fourth ventricle lateral aperture interventricular foramen of CNS pelvic ligament subarcuate fossa cervical vertebra 1 arcus anterior hyoid bone greater horn hyoid bone lesser horn hyoid bone body tarsal gland acinus olfactory bulb layer posterior lobe of cerebellum cerebellum hemisphere lobule cerebellum lobule cerebellum intermediate zone cerebellar plate cerebellum posterior vermis primary muscle spindle secondary muscle spindle golgi tendon organ egg cylinder labium minora embryonic-extraembryonic boundary dermatome periocular mesenchyme baroreceptor spongiotrophoblast layer germinal neuroepithelium ganglionic eminence medial ganglionic eminence lateral ganglionic eminence caudal ganglionic eminence chorionic plate canal of Schlemm aqueous vein head ectomesenchyme podocyte slit diaphragm podocyte slit junction cutaneous microfibril cortical subplate cortical intermediate zone spleen primary B follicle spleen secondary B follicle semicircular canal ampulla anterior visceral endoderm tailgut anterior definitive endoderm basal cistern pontine cistern cerebellomedullary cistern subarachnoid cistern lateral cerebellomedullary cistern quadrigeminal cistern external male genitalia internal male genitalia primitive pit primitive groove skeletal muscle fiber triad biliary ductule spinal cord medial motor column neural tube ventricular layer neural tube mantle layer neural tube marginal layer spinal cord alar plate neural tube basal plate frontonasal prominence lateral nasal prominence medial nasal prominence accessory olfactory bulb cerebellum vermis lobule cerebellum interpositus nucleus cerebellum vermis lobule I cerebellum vermis lobule II cerebellum vermis lobule III cerebellum vermis lobule IV cerebellum vermis lobule IX cerebellum vermis lobule V cerebellum vermis lobule VI cerebellum vermis lobule VII cerebellum vermis lobule VIII cerebellum vermis lobule X genital labium labium majora brain ventricle vena cava orbital region midface periorbital region hypothalamus-pituitary axis odontoid process of cervical vertebra 2 tibial plateaux joint space of elbow renal collecting system nasolabial region alveolar ridge hairline subungual region crus of ear clivus of occipital bone cortex of humerus midnasal cavity anatomical conduit muscle of auditory ossicle tympanic cavity blood vessel of tympanic cavity nerve of tympanic cavity pharyngeal pouch vasculature of iris endoderm-derived structure mesoderm-derived structure ectoderm-derived structure genitourinary system myocardial layer myocardium trabecular layer myocardial compact layer trabecular layer of ventricle compact layer of ventricle optic vesicle cerebellar layer trigeminal sensory nucleus salivatory nucleus proximal tubule distal tubule intermediate tubule cardiogenic plate primary heart field heart tube outflow tract septum outflow tract His-Purkinje system cardiac vein ventriculo bulbo valve coronary sinus valve cardiac chamber bulbus arteriosus proepicardium septum transversum orbitofrontal cortex spinal cord ventral commissure internal genitalia external genitalia hemopoietic organ aorta smooth muscle tissue mammary gland fat mammary gland cord placental labyrinth blood vessel prostate gland stroma endodermal part of digestive tract olfactory bulb mitral cell layer Harderian gland glomerular epithelium glomerular endothelium renal glomerulus vasculature loop of Henle ascending limb thin segment comma-shaped body S-shaped body kidney pyramid kidney outer medulla inner stripe kidney outer medulla outer stripe cortical collecting duct outer medullary collecting duct inner medullary collecting duct nephrogenic mesenchyme renal vesicle nephron epithelium glomerular capillary upper leg nerve back nerve lower arm nerve upper arm nerve lower leg nerve urethra smooth muscle layer large intestine smooth muscle intestine smooth muscle stomach smooth muscle vagina smooth muscle muscular coat of vas deferens respiratory system smooth muscle gastrointestinal system smooth muscle kidney pelvis smooth muscle urinary bladder smooth muscle urinary bladder trigone smooth muscle urinary bladder neck smooth muscle anal region smooth muscle lymphatic vessel smooth muscle lower respiratory tract smooth muscle iris smooth muscle mammary gland smooth muscle arteriole smooth muscle blood vessel smooth muscle spleen smooth muscle small intestine smooth muscle gall bladder smooth muscle main bronchus smooth muscle bronchus smooth muscle prostate gland smooth muscle oviduct smooth muscle outflow tract smooth muscle bone of dorsum pedal digit bone manual digit bone upper arm bone hindlimb zeugopod bone hindlimb stylopod muscle skin muscle forelimb zeugopod muscle forelimb stylopod muscle hindlimb zeugopod muscle upper leg blood vessel back blood vessel lower arm blood vessel upper arm blood vessel lower leg blood vessel upper leg skin upper arm skin lower leg skin outflow tract myocardium upper leg connective tissue back connective tissue lower arm connective tissue upper arm connective tissue lower leg connective tissue outflow tract pericardium cartilaginous joint suture lateral ventricle choroid plexus epithelium third ventricle choroid plexus epithelium fourth ventricle choroid plexus epithelium eye muscle skeleton dermomyotome heart rudiment cardiac skeleton parasympathetic nerve glomerular capillary endothelium sympathetic nerve trunk respiratory system lymphatic vessel smooth muscle respiratory system blood vessel smooth muscle distal phalanx middle phalanx proximal phalanx distal phalanx of manual digit 2 distal phalanx of manual digit 3 distal phalanx of manual digit 4 distal phalanx of manual digit 5 distal phalanx of pedal digit 1 distal phalanx of pedal digit 2 distal phalanx of pedal digit 3 distal phalanx of pedal digit 4 distal phalanx of pedal digit 5 middle phalanx of manual digit 2 middle phalanx of manual digit 3 middle phalanx of manual digit 4 middle phalanx of manual digit 5 middle phalanx of pedal digit 2 middle phalanx of pedal digit 3 middle phalanx of pedal digit 4 middle phalanx of pedal digit 5 proximal phalanx of manual digit 2 proximal phalanx of manual digit 3 proximal phalanx of manual digit 4 proximal phalanx of manual digit 5 proximal phalanx of pedal digit 1 proximal phalanx of pedal digit 2 proximal phalanx of pedal digit 3 proximal phalanx of pedal digit 4 proximal phalanx of pedal digit 5 distal phalanx of manual digit 1 proximal phalanx of manual digit 1 vault of skull allantois primitive streak cardinal vein trophectoderm gubernaculum (male or female) limb bud optic eminence female inguinal canal male inguinal canal apical ectodermal ridge paired limb/fin bud caput epididymis corpus epididymis cauda epididymis stylohyoid ligament pharyngeal arch 1 pharyngeal arch artery ectoplacental cone vitelline blood vessel extraembryonic ectoderm Descemet's membrane Reichert's cartilage Reichert's membrane anterior limiting lamina of cornea vitelline vasculature bone of free limb or fin fin bone distal metaphysis proximal metaphysis distal epiphysis proximal epiphysis skeleton of limb epiphysis of humerus epiphysis of tibia epiphysis of femur epiphysis of radius epiphysis of ulna epiphysis of phalanx of manus epiphysis of fibula epiphysis of metatarsal bone epiphysis of metacarpal bone epiphysis of first metacarpal bone epiphysis of second metacarpal bone epiphysis of third metacarpal bone epiphysis of fourth metacarpal bone epiphysis of first metatarsal bone epiphysis of second metatarsal bone epiphysis of third metatarsal bone epiphysis of fourth metatarsal bone epiphysis of fifth metatarsal bone bone tissue of epiphysis bone tissue of distal epiphysis bone tissue of proximal epiphysis periosteum of epiphysis distal epiphysis of humerus distal epiphysis of tibia distal epiphysis of femur distal epiphysis of radius distal epiphysis of ulna distal epiphysis of phalanx of manus distal epiphysis of fibula proximal epiphysis of humerus proximal epiphysis of femur proximal epiphysis of radius proximal epiphysis of phalanx of manus proximal epiphysis of metatarsal bone proximal epiphysis of metacarpal bone proximal epiphysis of phalanx of manual digit 1 proximal epiphysis of phalanx of manual digit 2 proximal epiphysis of phalanx of manual digit 3 proximal epiphysis of phalanx of manual digit 4 proximal epiphysis of phalanx of manual digit 5 proximal epiphysis of first metacarpal bone proximal epiphysis of second metacarpal bone proximal epiphysis of third metacarpal bone proximal epiphysis of fourth metacarpal bone proximal epiphysis of fifth metacarpal bone proximal epiphysis of first metatarsal bone proximal epiphysis of second metatarsal bone proximal epiphysis of third metatarsal bone proximal epiphysis of fourth metatarsal bone proximal epiphysis of fifth metatarsal bone proximal epiphysis of distal phalanx of manual digit 2 proximal epiphysis of distal phalanx of manual digit 3 proximal epiphysis of distal phalanx of manual digit 4 proximal epiphysis of distal phalanx of manual digit 5 proximal epiphysis of middle phalanx of manual digit 2 proximal epiphysis of middle phalanx of manual digit 3 proximal epiphysis of middle phalanx of manual digit 4 proximal epiphysis of middle phalanx of manual digit 5 proximal epiphysis of proximal phalanx of manual digit 2 proximal epiphysis of proximal phalanx of manual digit 3 proximal epiphysis of proximal phalanx of manual digit 4 proximal epiphysis of proximal phalanx of manual digit 5 proximal epiphysis of distal phalanx of manual digit 1 proximal epiphysis of proximal phalanx of manual digit 1 epiphysis of phalanx proximal epiphysis of phalanx distal epiphysis of phalanx cerebral artery trunk or cervical vertebra carpal region metacarpus region tarsal region neurula embryo entire sense organ system skeletal musculature of head musculature of body wall musculature of hindlimb stylopod musculature of thorax musculature of neck musculature of leg musculature of pharynx set of muscles of vertebral column musculature of back musculature of pelvic girdle musculature of pectoral girdle musculature of face musculature of arm musculature of hip musculature of shoulder musculature of larynx musculature of trunk musculature of limb musculature of upper limb musculature of lower limb musculature of perineum musculature of forelimb zeugopod musculature of pes musculature of manus cardiac muscle tissue of atrium cardiac muscle tissue of interatrial septum cardiac muscle tissue of cardiac septum cardiac muscle tissue of myocardium cardiac muscle tissue of papillary muscle skeletal muscle tissue of diaphragm skeletal muscle tissue of quadriceps femoris skeletal muscle tissue of tibialis anterior skeletal muscle tissue of deltoid skeletal muscle tissue of teres major skeletal muscle tissue of biceps brachii skeletal muscle tissue of mylohyoid skeletal muscle tissue of orbicularis oculi skeletal muscle tissue of masseter skeletal muscle tissue of temporalis skeletal muscle tissue of levator palpebrae superioris skeletal muscle tissue of trapezius skeletal muscle tissue of pectoralis major skeletal muscle tissue of rectus abdominis skeletal muscle tissue of supraspinatus smooth muscle tissue of bronchiole smooth muscle tissue of terminal bronchiole smooth muscle tissue of respiratory bronchiole muscle of vertebral column muscle of anal triangle striated muscle tissue of prostate vasculature of muscle organ vasculature of musculoskeletal system papillary muscle of right ventricle papillary muscle of left ventricle cardiac muscle tissue of trabecula carnea of right ventricle cardiac muscle tissue of trabecula carnea of left ventricle alveolar process of maxilla alveolar ridge of mandible anatomical projection bony projection left testis right testis cardiovascular system lymph vasculature blood vasculature left kidney right kidney epididymis epithelium external capsule of telencephalon cribriform plate decidua capsularis left eye right eye gastroesophageal sphincter digital artery forelimb digital artery hindlimb digital artery systemic arterial system arterial system systemic artery systemic venous system venous system sphincter muscle rib 1 rib 12 mammalian cervical vertebra 3 mammalian cervical vertebra 4 mammalian cervical vertebra 5 mammalian cervical vertebra 6 mammalian cervical vertebra 7 lumbar vertebra 1 lumbar vertebra 2 lumbar vertebra 3 lumbar vertebra 4 lumbar vertebra 5 sacral vertebra 1 thoracic vertebra 1 thoracic vertebra 2 thoracic vertebra 3 thoracic vertebra 4 thoracic vertebra 5 thoracic vertebra 6 thoracic vertebra 7 thoracic vertebra 9 thoracic vertebra 10 thoracic vertebra 11 thoracic vertebra 12 otic capsule blood vessel endothelium renal afferent arteriole renal efferent arteriole spleen capsule third ventricle ependyma lateral ventricle ependyma fourth ventricle ependyma urinary bladder urothelium infraorbital artery liver lobule esophagus muscularis mucosa sphenoid bone pterygoid process tongue keratinized epithelium scapula spine humerus diaphysis temporal process of zygomatic bone zygomatic process of temporal bone mandible condylar process mandible head mandible neck mandible coronoid process mandible temporal crest vertebra lamina aorta wall aorta tunica adventitia muscular coat of seminal vesicle interventricular septum membranous part interventricular septum muscular part fourth ventricle aperture ependyma trigeminal nerve root facial nerve root hypoglossal nerve root spinal cord gray commissure body of fornix vestibular system raphe nuclei costo-cervical trunk bulbourethral gland secretion external naris epithelium Peyer's patch epithelium Harderian gland epithelium arterial system smooth muscle venous system smooth muscle Peyer's patch germinal center vena cava endothelium outflow tract endothelium arterial system endothelium venous system endothelium respiratory system blood vessel endothelium dorsal thalamus bone fossa fenestra bulbus cordis pharyngula stage paired limb/fin pelvic appendage pectoral appendage jugular vein corpus cavernosum penis septum pellucidum annulus fibrosus disci intervertebralis conceptus kidney arcuate vein cerebellar vermis crista ampullaris interlobular artery medial palpebral ligament piriform cortex vasa recta cochlear nerve neuromere segmental subdivision of nervous system segmental subdivision of hindbrain gastrula metanephric glomerulus metanephric collecting duct metanephric juxtaglomerular apparatus pronephric glomerulus basibranchial bone cleithrum dentary coracoid bone articular/anguloarticular parasphenoid prootic bone supraoccipital bone blastodisc blastoderm hypohyal bone palatoquadrate cartilage scapulocoracoid skeletal tissue dermal skeletal element rectal salt gland salt gland cranial salt gland gland of anal canal cartilaginous neurocranium endochondral bone tissue intramembranous bone tissue skeletal element cranial bone vomerine tooth bone of lower jaw diaphysis articular system posterior nasal aperture eyelid tarsus superior eyelid tarsus inferior eyelid tarsus outer renal medulla vasa recta inner renal medulla vasa recta respiratory system submucosa larynx submucosa respiratory system lamina propria gastrointestinal system lamina propria gall bladder lamina propria gastrointestinal system serosa gall bladder serosa heart ventricle wall respiratory system mucosa gastrointestinal system mucosa urethra urothelium kidney pelvis urothelium larynx mucous gland skin mucous gland thymus trabecula secretion of endocrine pancreas secretion of exocrine pancreas esophagus secretion pancreas secretion prostate gland secretion blood vessel layer respiratory system basal lamina trachea basal lamina bronchus basal lamina cervix epithelium respiratory tract epithelium penis epithelium oviduct epithelium seminal vesicle epithelium vas deferens epithelium respiratory system epithelium gastrointestinal system epithelium salivary gland epithelium nephron tubule epithelium endometrium epithelium male prepuce epithelium seminiferous tubule epithelium upper respiratory tract epithelium lower respiratory tract epithelium larynx epithelium lacrimal gland epithelium kidney epithelium bile duct epithelium pulmonary alveolus epithelium extrahepatic bile duct epithelium intrahepatic bile duct epithelium thyroid gland medulla urethra skeletal muscle tissue respiratory system skeletal muscle esophagus skeletal muscle anal region skeletal muscle lip skeletal muscle hepatic duct smooth muscle epididymis smooth muscle respiratory system arterial endothelium respiratory system venous endothelium lymph node endothelium aorta endothelium cardiovascular system endothelium gastrointestinal system mesentery skeletal muscle connective tissue eye gland right lung alveolus left lung alveolus thoracic sympathetic nerve trunk vasculature of retina actinopterygian parietal bone actinopterygian frontal bone orbital cavity parietal organ somatic layer of lateral plate mesoderm splanchnic layer of lateral plate mesoderm splanchnopleure somatopleure nephrogenic cord urogenital fold visceral endoderm distal visceral endoderm marginal zone of embryo chordamesoderm lung mesenchyme lobar bronchus mesenchyme lobar bronchus vasculature right lung accessory lobe interalveolar septum alveolar wall alveolar smooth muscle right lung accessory lobe lobar bronchus right lung accessory lobe lobar bronchus mesenchyme right lung cranial lobe lobar bronchus mesenchyme right lung middle lobe lobar bronchus mesenchyme right lung lobar bronchus mesenchyme urogenital sinus epithelium bronchoalveolar duct junction neuron projection bundle connecting eye with brain articulation ectodermal part of digestive tract lower digestive tract upper digestive tract epithelium of gonad epithelium of male gonad epithelium of female gonad biliary bud hepatopancreatic ampulla duodenal papilla sphincter of hepatopancreatic ampulla anal sphincter urethral sphincter subdivision of digestive tract postnatal subventricular zone organ component layer submucosa of pharynx submucosa of laryngopharynx submucosa of cystic duct submucosa of cecum submucosa of appendix submucosa of ascending colon submucosa of transverse colon submucosa of descending colon submucosa of sigmoid colon submucosa of fundus of stomach submucosa of body of stomach submucosa of cardia of stomach submucosa of pyloric antrum submucosa of pylorus submucosa of biliary tree submucosa of common bile duct submucosa of common hepatic duct submucosa of right hepatic duct submucosa of left hepatic duct submucosa of urinary bladder submucosa of trigone of urinary bladder submucosa of neck of urinary bladder submucosa of ileum submucosa of right main bronchus submucosa of left main bronchus submucosa of main bronchus submucosa of lobar bronchus submucosa of segmental bronchus submucosa of bronchiole mucosa of ureter mucosa of epiglottis mucosa of vagina mucosa of seminal vesicle mucosa of ejaculatory duct mucosa of deferent duct mucosa of laryngopharynx mucosa of cystic duct mucosa of appendix mucosa of ascending colon mucosa of transverse colon mucosa of descending colon mucosa of sigmoid colon mucosa of fundus of stomach mucosa of body of stomach mucosa of cardia of stomach mucosa of pyloric antrum mucosa of pylorus mucosa of biliary tree mucosa of common bile duct mucosa of common hepatic duct mucosa of right hepatic duct mucosa of left hepatic duct mucosa of right ureter mucosa of left ureter mucosa of renal pelvis mucosa of trigone of urinary bladder mucosa of neck of urinary bladder mucosa of right uterine tube mucosa of left uterine tube mucosa of male urethra mucosa of female urethra mucosa of prostatic urethra mucosa of intermediate urethra mucosa of lacrimal sac mucosa of nasal septum mucosa of palate mucosa of tongue mucosa of sphenoidal sinus mucosa of nasopharynx mucosa of oropharynx mucosa of soft palate mucosa of uvula mucosa of middle ear mucosa of frontal sinus mucosa of maxillary sinus mucosa of paranasal sinus mucosa of upper lip mucosa of lower lip mucosa of gallbladder mucosa of right main bronchus mucosa of left main bronchus mucosa of main bronchus mucosa of lobar bronchus mucosa of segmental bronchus mucosa of bronchiole mucosa of terminal bronchiole mucosa of respiratory bronchiole inner epithelial layer of tympanic membrane mucosa of nasolacrimal duct mucosa of pharyngotympanic tube mucosa of ethmoidal sinus mucosa of hard palate mucosa of vocal fold mucosa of uterine tube mucosa of infundibulum of uterine tube mediastinum testis primary nerve cord primary dorsal nerve cord zone of long bone external female genitalia immune organ hemolymphoid system gland neural groove neural fold left ventricular compact myocardium left ventricular trabecular myocardium right ventricular compact myocardium right ventricular trabecular myocardium amphid sensory organ neural rod anterior neuropore posterior neuropore forebrain-midbrain boundary hindbrain-spinal cord boundary neuropore lamina terminalis of neural tube eggshell metanephric ureteric bud ureter ureteric bud tube lumen nipple sheath ectodermal placode hair follicle placode tooth placode sebaceous gland placode sweat gland placode muscle structure right horn of sinus venosus kidney rudiment descending thin limb mesonephric epithelium metanephric tubule metanephric epithelium metanephric smooth muscle tissue metanephric nephron metanephric pyramid metanephric cortex mesenchyme metanephric ascending thin limb metanephric cortical collecting duct metanephric descending thin limb metanephric distal convoluted tubule metanephric glomerular mesangium metanephric macula densa metanephric proximal convoluted tubule metanephric proximal straight tubule metanephric thick ascending limb metanephric distal tubule metanephric loop of Henle metanephric glomerulus vasculature metanephric nephron epithelium metanephric glomerular epithelium metanephric glomerular endothelium metanephric capsule metanephric glomerular capillary metanephric comma-shaped body metanephric nephron tubule metanephric renal vesicle metanephric S-shaped body metanephric proximal tubule epithelial bud epithelial cord open tracheal system reproductive structure epithelial fold parenchyma of central nervous system vestigial structure multi cell part structure ascending limb of loop of Henle papillary duct renal interlobular vein interstitial tissue granulosa cell layer hepatic duct abdomen element abdominal segment element dorsal region element chest organ tooth enamel organ trunk region element thoracic cavity element pelvic region element thoracic segment organ hair medulla renal medulla collecting duct deferent duct artery ethmoidal artery thoracic vein deferent duct vein spleen germinal center cervical mammary gland thoracic mammary gland distal straight tubule macula densa trachea gland larynx submucosa gland lamina propria of vagina choroid plexus stroma tonsil capsule right atrium valve renal medulla interstitium Leydig cell region of testis outer renal medulla interstitium inner renal medulla interstitium kidney interstitium optic eminence surface ectoderm midbrain subarachnoid space diencephalon subarachnoid space hindbrain subarachnoid space liver right lobe parenchyma liver left lobe parenchyma upper leg epithelium pedal digit epithelium manual digit epithelium upper arm epithelium lower leg epithelium medial-nasal process ectoderm optic eminence ectoderm osseus labyrinth vestibule basal plate metencephalon interventricular septum endocardium lobar bronchus of right lung cranial lobe lobar bronchus of right lung caudal lobe bulbus cordis myocardium metanephric renal pelvis stomatodeum gland yolk sac cavity head mesenchyme upper leg mesenchyme pedal digit mesenchyme trunk mesenchyme manual digit mesenchyme upper arm mesenchyme lower leg mesenchyme atrium cardiac jelly ventricle cardiac jelly outflow tract cardiac jelly renal cortex artery renal cortex vein renal cortex interstitium peritubular capillary nail bed dorsal skin of digit dorsal skin of finger dorsal skin of toe nail bed of finger nail bed of toe ventricular system of central nervous system ventricular system of brain tela choroidea tela choroidea of midbrain cerebral aqueduct tela choroidea of fourth ventricle tela choroidea of third ventricle tela choroidea of telencephalic ventricle myelencephalon embryonic tissue extraembryonic tissue cerebellum lobe gonadal ridge sex cord ovary sex cord testis sex cord skin of clitoris prepuce of clitoris male preputial gland female preputial gland submucous nerve plexus thyroid follicle blastema chorion-containing eggshell pronephric nephron pronephric nephron tubule mammary placode mammary duct terminal end bud endocardial endothelium pulmonary artery endothelium mesonephric collecting duct mesonephric juxtaglomerular apparatus mesonephric smooth muscle tissue mesonephric nephron mesonephric mesenchyme mesonephric macula densa mesonephric glomerulus mesonephric glomerulus vasculature mesonephric glomerular epithelium mesonephric comma-shaped body mesonephric nephron epithelium mesonephric renal vesicle mesonephric S-shaped body mammary bud oral lamina propria outflow tract of ventricle outflow tract aortic component outflow tract pulmonary component dorsal telencephalic commissure ventral commissure malleus head cortical plate peritoneal vaginal process cerebellum vermis lobule VIIA cerebellum vermis lobule VIIB copula pyramidis ansiform lobule paramedian lobule lobule simplex paraflocculus spermatic cord spleen perifollicular zone malleus processus brevis malleus neck Rathke's pouch brain ependyma ventricle of nervous system spinal cord ependyma inferior glossopharyngeal IX ganglion superior glossopharyngeal IX ganglion vagus X ganglion inferior vagus X ganglion superior vagus X ganglion olfactory lobe hippocampus granule cell layer hippocampus molecular layer hippocampus stratum lacunosum hippocampus stratum oriens hippocampus stratum radiatum spinal cord dorsal column spinal cord lateral column spinal cord ventral column olfactory bulb external plexiform layer olfactory bulb glomerular layer olfactory bulb granule cell layer olfactory bulb internal plexiform layer olfactory bulb subependymal zone dentate gyrus granule cell layer dorsal striatum caudate-putamen nasal cavity epithelium olfactory segment of nasal mucosa olfactory glomerulus photoreceptor array transparent eye structure carotid artery segment brain arachnoid mater female reproductive gland male reproductive gland telencephalon arachnoid mater cerebral hemisphere gray matter philtrum ventral striatum frontonasal suture sublingual ganglion circumventricular organ alimentary part of gastrointestinal system cartilaginous otic capsule bony otic capsule optic fissure spinocerebellar tract zone of polarizing activity zone of polarizing activity of pectoral appendage zone of polarizing activity of pelvic appendage forelimb bud hindlimb bud pectoral appendage bud pelvic appendage bud pectoral appendage apical ectodermal ridge pelvic appendage apical ectodermal ridge developing anatomical structure presumptive retinal pigmented epithelium presumptive neural retina lens vesicle corneal primordium vagal neural crest ansa cervicalis aortic sac cervical region common hepatic artery coronary sinus ductus arteriosus abdominal external oblique muscle segment of pes foramen rotundum greater sac greater sac cavity segment of manus hepatic cord interventricular groove jugular foramen left umbilical artery left umbilical vein left vitelline vein levator scapulae muscle lower back subcapsular sinus of lymph node obturator nerve platysma right umbilical artery right umbilical vein right vitelline vein sacral region spinal nerve trunk stomach fundus epithelium sulcus limitans of neural tube superior orbital fissure thymus lobe tricuspid valve leaflet valve of inferior vena cava venous dural sinus vitelline vein glossopharyngeal neural crest hyaloid vessel hyoid muscle intermediate mesenchyme midbrain lateral wall neural tube lateral wall non-neural ectoderm primitive heart tube rhombomere 1 rhombomere floor plate rhombomere lateral wall rhombomere roof plate rhombomere 3 rhombomere 4 rhombomere 5 rhombomere 6 rhombomere 7 rhombomere 8 telencephalon lateral wall thymus primordium trigeminal neural crest gonad primordium facio-acoustic neural crest rhombomere 1 floor plate rhombomere 1 lateral wall rhombomere 1 roof plate rhombomere 2 rhombomere 2 floor plate rhombomere 2 lateral wall rhombomere 2 roof plate rhombomere 3 floor plate rhombomere 3 lateral wall rhombomere 3 roof plate rhombomere 4 floor plate rhombomere 4 lateral wall rhombomere 4 roof plate rhombomere 5 floor plate rhombomere 5 lateral wall rhombomere 5 roof plate rhombomere 6 floor plate rhombomere 6 lateral wall rhombomere 6 roof plate rhombomere 7 floor plate rhombomere 7 lateral wall rhombomere 7 roof plate rhombomere 8 floor plate rhombomere 8 lateral wall rhombomere 8 roof plate diencephalon lateral wall head somite lung primordium trunk somite common dorsal aorta crus commune dorsal mesocardium dorsal mesogastrium extrahepatic part of hepatic duct hyaloid cavity iliac artery iliac vein inner canthus intercostal artery left dorsal aorta lens anterior epithelium mesenteric artery mesenteric vein secondary palatal shelf primary palate right dorsal aorta semi-lunar valve suprarenal artery tubotympanic recess lumen ventral mesogastrium vascular plexus extraembryonic membrane caecum epithelium pyloric region epithelium anterior chamber epithelium right lung cranial lobe epithelium right lung caudal lobe epithelium ultimobranchial body epithelium manual digit 2 epithelium manual digit 3 epithelium manual digit 4 epithelium manual digit 5 epithelium pedal digit 2 epithelium pedal digit 3 epithelium pedal digit 4 epithelium pedal digit 5 epithelium upper jaw molar epithelium lower jaw molar epithelium right lung accessory lobe epithelium lens vesicle epithelium crus commune epithelium secondary palatal shelf epithelium primary palate epithelium 2nd arch ectoderm 3rd arch ectoderm 4th arch ectoderm 2nd arch endoderm 3rd arch endoderm 4th arch endoderm connecting stalk mesoderm peritoneal cavity mesothelium greater sac mesothelium right lung endothelium left lung endothelium right lung cranial lobe endothelium right lung caudal lobe endothelium right lung accessory lobe endothelium caecum mesentery right lung cranial lobe segmental bronchus right lung caudal lobe segmental bronchus right lung accessory lobe segmental bronchus right lung upper lobe bronchiole right lung accessory lobe bronchiole midgut dorsal mesentery caecum dorsal mesentery orbitosphenoid cartilage element lens vesicle cavity 2nd arch mesenchyme 3rd arch mesenchyme 4th arch mesenchyme manual digit 2 mesenchyme manual digit 3 mesenchyme manual digit 4 mesenchyme manual digit 5 mesenchyme pedal digit 2 mesenchyme pedal digit 3 mesenchyme pedal digit 4 mesenchyme pedal digit 5 mesenchyme upper jaw molar odontogenic papilla lower jaw molar odontogenic papilla optic eminence mesenchyme secondary palatal shelf mesenchyme primary palate mesenchyme upper jaw incisor odontogenic papilla lower jaw incisor odontogenic papilla upper jaw incisor epithelium lower jaw incisor epithelium foregut duodenum mesentery midgut duodenum mesentery footplate apical ectodermal ridge hindbrain venous system pronephric mesoderm floor plate spinal cord region roof plate spinal cord region olfactory system chemosensory system extraembryonic mesoderm pectoral appendage field pelvic appendage field fin field paired limb/fin field limb field tunica adventitia of blood vessel swim bladder tunica externa swim bladder tunica interna tunica intima of artery adventitia bone foramen optic foramen primary vitreous glomerular tuft glomerular parietal epithelium visceral layer of glomerular capsule caudal part of nephrogenic cord rostral part of nephrogenic cord urorectal septum acellular membrane basement membrane of epithelium glomerular basement membrane lamina densa of glomerular basement membrane lamina rara interna lamina rara externa nephric ridge embryonic uterus section of aorta dorsal aorta portal system bone tissue of long bone cortex of manus bone cervical vertebra 1 anterior tubercle tubercle arch of atlas neuraxis flexure cephalic midbrain flexure cervical flexure pontine flexure fasciculus of spinal cord fasciculus of brain sacral spinal cord spinal cord segment caudal segment of spinal cord developing mesenchymal condensation cartilaginous condensation pre-muscle condensation pre-cartilage condensation mandibular prominence maxillary prominence maxillary process of inferior nasal concha olfactory pit palatine process of maxilla 1st arch pharyngeal cleft 2nd arch pharyngeal cleft 3rd arch pharyngeal cleft 4th arch pharyngeal cleft undifferentiated genital tubercle pharyngeal cleft autopodial extension neural tube alar plate neural tube lateral wall mantle layer hyoid arch skeleton post-hyoid pharyngeal arch skeleton coelomic epithelium leg bone insect leg manus bone pes bone occipital region duct of seminal vesicle duct of male reproductive system insect labrum serous sac conjunctival sac endo-epithelium zone of bone organ supreme nasal concha superior nasal concha middle nasal concha inferior nasal concha ethmoidal process of inferior nasal concha external naris bulb of hair follicle hair root sheath hair inner root sheath hair outer root sheath hair root sheath matrix axial skeleton plus cranial skeleton neurocranial trabecula outflow tract of atrium outflow part of right ventricle outflow part of left ventricle outflow part of right atrium outflow part of left atrium conotruncal ridge infundibulum of hair follicle eye trabecular meshwork brain commissure amniotic fold tunnel of Corti posterior cerebellomedullary cistern hair follicle bulge ansiform lobule crus I ansiform lobule crus II olfactory bulb outer nerve layer crista terminalis pectinate muscle vena cava sinus Bachmann's bundle heart layer subendocardium layer coronary vessel left branch of atrioventricular bundle right branch of atrioventricular bundle atrium myocardial trabecula atrioventricular septum aortic valve cusp aortic valve anulus pulmonary valve cusp pulmonary valve anulus chorda tendineae mitral valve anulus mitral valve cusp tricuspid valve anulus tricuspid valve cusp vitelline artery integumentary adnexa hair follicle matrix region hair follicle isthmus metoptic pillar pre-Botzinger complex fibrous ring of heart cusp of cardiac valve hyaloid canal hyaloid vein interdigital region interdigital region between manual digits interdigital region between pedal digits interdigital region between digits 1 and 2 interdigital region between digits 2 and 3 interdigital region between digits 3 and 4 interdigital region between digits 4 and 5 interdigital region between manual digits 1 and 2 interdigital region between manual digits 2 and 3 interdigital region between manual digits 3 and 4 interdigital region between manual digits 4 and 5 interdigital region between pedal digits 1 and 2 interdigital region between pedal digits 2 and 3 interdigital region between pedal digits 3 and 4 interdigital region between pedal digits 4 and 5 digit 1 digit 2 digit 3 digit 4 digit 5 posterior surface of head multi-limb segment region falx cerebri conotruncus process of vertebra zygapophysis cartilaginous neural arch hemal arch musculature of hindlimb zeugopod bone of tail caudal region cervical region of vertebral column thoracic region of vertebral column lumbar region of vertebral column sacral region of vertebral column caudal region of vertebral column subdivision of vertebral column fundus of urinary bladder stria medullaris basal nuclear complex cochlear canal funiculus of spinal cord funiculus of neuraxis nerve fiber myelinated nerve fiber unmyelinated nerve fiber mesonephric capsule pronephric proximal tubule pronephric distal tubule mesonephric glomerular mesangium mesonephric glomerular capillary mesonephric distal tubule mesonephric proximal tubule conchal part of pinna inguinal ligament iridocorneal angle aortico-pulmonary spiral septum auditory hillocks basioccipital cartilage element body-wall mesenchyme buccopharyngeal membrane carpus cartilage element carpus pre-cartilage condensation rhombic lip cervical sinus of His cloacal membrane common atrial chamber deltoid pre-muscle mass future diencephalon elbow joint primordium endolymphatic appendage ethmoid bone primordium exoccipital pre-cartilage condensation extrinsic ocular pre-muscle mass facial bone primordium facio-acoustic VII-VIII preganglion complex female genital tubercle femur pre-cartilage condensation foregut-midgut junction future brain future central tendon future forebrain future spinal cord gall bladder primordium hip joint primordium humerus cartilage element humerus pre-cartilage condensation iliac pre-cartilage condensation incus pre-cartilage condensation infundibular recess of 3rd ventricle interparietal bone primordium ischial cartilage element ischial pre-cartilage condensation knee joint primordium lingual swellings male genital tubercle malleus pre-cartilage condensation Meckel's cartilage pre-cartilage condensation mouth-foregut junction mural trophectoderm nasolacrimal groove notochordal plate notochordal process optic pit orbital fissure oronasal cavity otic pit pleuropericardial folds pleuroperitoneal canal polar trophectoderm future cardiac ventricle early prosencephalic vesicle pubic pre-cartilage condensation radius cartilage element radius-ulna pre-cartilage condensation rib cartilage element rib pre-cartilage condensation scapula cartilage element scapula pre-cartilage condensation shoulder joint primordium spleen primordium stapes pre-cartilage condensation sternebral bone pre-cartilage condensation sublingual gland primordium submandibular gland primordium supracardinal vein future trigeminal ganglion ulna cartilage element chamber of eyeball ocular refractive media bodily fluid inferior oblique extraocular muscle superior oblique extraocular muscle inferior rectus extraocular muscle superior rectus extraocular muscle laryngeal intrinsic ligament laryngeal intrinsic muscle anterior lingual gland brainstem nucleus nasal capsule snout posterior lateral line distal early tubule lateral ventricle choroid plexus stroma third ventricle choroid plexus stroma fourth ventricle choroid plexus stroma outer renal medulla peritubular capillary stapedial artery communicating artery epigastric artery ureteric bud tip perihilar interstitium remnant of Rathke's pouch strand of vibrissa hair basisphenoid bone xiphoid cartilage xiphoid process bone os penis os clitoris annulus fibrosus osseus cochlear canal interosseous muscle of pes interosseous muscle of autopod pallidum kidney calyx right lung lobe alveolar system left lung alveolar system right lung alveolar system seminal fluid oculomotor muscle oblique extraocular muscle rectus extraocular muscle renal convoluted tubule skin secretion male reproductive gland secretion female reproductive gland secretion respiratory system fluid/secretion mammary gland fluid/secretion outer medulla inner stripe loop of Henle outer medulla outer stripe loop of Henle kidney vasculature renal duct excretory tube lymphatic part of lymphoid system non-lymphatic part of lymphoid system pharynx tunica media of pulmonary trunk female urethral meatus left ventricle myocardium right ventricle myocardium hypothalamic nucleus diencephalic nucleus trabecula carnea of right ventricle trabecula carnea of left ventricle pectinate line vestibular organ otolymph round ligament of uterus remnant of embryonic structure transformed artery transformed vein presumptive endoderm presumptive blood quadrate bone presumptive structure presumptive hypochord presumptive enteric nervous system presumptive ectoderm presumptive mesoderm lamina orbitonasalis tectum synoticum mandibular symphysis corpus cavernosum clitoridis corpus cavernosum tunica albuginea aponeurosis venous sinus right external ear left external ear atrium auricular region left atrium auricular region right atrium auricular region coracoid process of scapula anterior abdominal wall muscle layer of oviduct tunica albuginea of testis tunica albuginea of ovary adventitia of epididymis muscle layer of epididymis adventitia of ductus deferens adventitia of seminal vesicle tunica vaginalis testis muscular layer of vagina glans clitoris glenoid fossa interphalangeal joint muscular coat epicranial aponeurosis greater palatine artery pituitary fossa carotid canal central tendon of diaphragm orbital fat pad incisive canal mandibular canal inguinal ring venous valve muscularis mucosa surface of epithelium hypoglossal canal posterior fontanelle sphenoidal fontanelle spinal vein frenulum of tongue vertebral canal cerebellum vasculature mammillary axonal complex foramen cecum of tongue foramen cecum of frontal bone radio-ulna mesopodium region autopodial skeleton medial pterygoid muscle lateral pterygoid muscle pterygoid muscle alisphenoid bone manubrium of malleus cochlear modiolus osseus spiral lamina spiral ligament outer canthus liver perisinusoidal space canthus superior parathyroid gland median lingual swelling lateral lingual swelling corneo-scleral junction suspensory ligament of lens epithelium of conjunctiva right anterior vena cava head of femur apophysis long bone epiphyseal plate proliferative zone long bone epiphyseal plate hypertrophic zone zone of epiphyseal plate tectal plate stratum lemnisci of superior colliculus layer of superior colliculus gray matter layer of superior colliculus white matter of superior colliculus middle white layer of superior colliculus middle gray layer of superior colliculus deep white layer of superior colliculus superficial layer of superior colliculus intermediate layer of superior colliculus deep layer of superior colliculus visual processing part of nervous system arthropod optic lobe glandular epithelium anatomical line proximal head of humerus obturator foramen reticular tissue olecranon occipital condyle mental foramen nasal skeleton areolar connective tissue body of sternum proximal epiphysis of ulna trabecula carnea of atrium lumen of open tracheal system trachea lumen of trachea uterus or analog ventral ramus of spinal nerve dorsal ramus of spinal nerve nucleus of lateral lemniscus central vein of liver lymphatic capillary root of cranial nerve cusp of tooth abductor muscle surface groove cerebellar commissure posterior pretectal nucleus scapula renal cortex peritubular capillary renal cortex tubule muscular coat of ureter interrenal gland interrenal primordium adrenal/interrenal gland swim bladder bud swim bladder diaphysis proper diaphysis of femur proximal metaphysis of femur distal metaphysis of femur metaphysis of femur terminal part of digestive tract anal part of perineum seminal fluid secreting gland embryonic footplate handplate apical ectodermal ridge embryonic handplate vasculature of organ vasculature of liver head mesenchyme from mesoderm mandibular process mesenchyme ala of nose slow muscle tissue fast muscle tissue lumen of digestive tract urinary bladder muscularis mucosa lip epithelium squamous epithelium stratified squamous epithelium non-keratinized epithelium of tongue tongue squamous epithelium esophagus squamous epithelium stomach squamous epithelium cervix squamous epithelium vagina squamous epithelium stomach glandular epithelium digestive system gland glandular columnar epithelium stomach glandular region mucosa vestibular epithelium sensory epithelium crista ampullaris neuroepithelium thymus subcapsular epithelium inner ear epithelium pinna surface epithelium efferent duct male genital duct efferent duct epithelium inner dental epithelium outer dental epithelium ejaculatory duct epithelium mammary gland myoepithelium uterine epithelium buccal mucosa submandibular gland primordium epithelium mandible angular process ovary stroma pars distalis of adenohypophysis vascular cord coronary capillary horn cranial appendage anatomical point anatomical surface cardiogenic splanchnic mesoderm cleaving embryo sexually immature organism adult organism presumptive gut mechanosensory system somatic musculature chordo neural hinge mandibular neural crest hyoid neural crest primary circulatory organ deciduous tooth primary dentition umbilicus neck of femur premolar tooth pharyngeal pouch 1 pharyngeal pouch 2 pharyngeal pouch 3 pharyngeal pouch 4 pharyngeal pouch 5 pharyngeal pouch 6 glomeral mesenchyme head kidney trunk ganglion neural keel left internal carotid artery right internal carotid artery embryonic post-anal tail lumen of midgut lumen of hindgut mitral valve leaflet inferior thyroid vein lumen of anal canal lumen of colon squamous part of occipital bone border of scapula angle of scapula lateral border of scapula medial border of scapula inferior angle of scapula lamina propria of mucosa of colon muscularis mucosae of colon serosa of infundibulum of uterine tube muscle layer of infundibulum of uterine tube mesothelium of serous pericardium stroma of bone marrow tracheobronchial tree hermaphroditic organism hermaphrodite anatomical structure brachiocephalic vasculature mesenchyme derived from head neural crest mesenchyme derived from trunk neural crest trabecula cranii late embryonic stage osseus cochlea vestibular nucleus 1st arch mandibular component 1st arch maxillary component tunica media of artery tunica adventitia of artery tunica adventitia of vein tunica intima of vein tunica media of vein inferior olivary nucleus nuclear complex of neuraxis nucleus of superior olivary complex lingual tonsil preoptic nucleus intervertebral disk of cervical vertebra intervertebral disk of thoracic vertebra intervertebral disk of lumbar vertebra intervertebral disk of sacral vertebra intervertebral disk of third cervical vertebra intervertebral disk of fourth cervical vertebra intervertebral disk of fifth cervical vertebra intervertebral disk of sixth cervical vertebra intervertebral disk of seventh cervical vertebra intervertebral disk of axis intervertebral disk of atlas trachea pre-cartilage rings pectoral appendage musculature pelvic appendage musculature appendage musculature pectoral appendage skeleton pelvic appendage skeleton crista of ampulla of anterior semicircular duct of membranous laybrinth crista of ampulla of posterior semicircular duct of membranous laybrinth crista of ampulla of lateral semicircular duct of membranous laybrinth presumptive hindbrain presumptive sinus venosus presumptive atrioventricular canal presumptive endocardium presumptive midbrain hindbrain boundary presumptive segmental plate presumptive shield presumptive neural plate presumptive paraxial mesoderm presumptive floor plate presumptive bulbus arteriosus presumptive forebrain midbrain boundary presumptive rhombomere 1 presumptive rhombomere 3 presumptive rhombomere 4 presumptive rhombomere 5 presumptive rhombomere 6 presumptive rhombomere 7 presumptive rhombomere 8 presumptive rhombomere 2 presumptive pronephric mesoderm pronephric proximal convoluted tubule choroid plexus of tectal ventricle pectoral appendage blood vessel appendage blood vessel pectoral appendage vasculature pharyngeal vasculature appendage vasculature pronephric glomerular capillary pronephric glomerular basement membrane pronephric distal early tubule pancreatic lobule pancreatic duct stria vascularis vasculature cartilage of pharyngotympanic tube bony part of pharyngotympanic tube surface of tongue incus cartilage element roof of mouth outer epithelium stratum compactum of dermis shelled egg dermal scale enveloping layer of ectoderm appendage lymph vessel pectoral appendage lymph vessel pelvic appendage lymph vessel paired limb/fin cartilage pectoral appendage cartilage tissue pelvic appendage cartilage tissue nucleus of pontine reticular formation nucleus of midbrain tegmentum nucleus of midbrain reticular formation cerebellar peduncle peduncle of neuraxis neural decussation decussation of diencephalon lumen of epithelial sac matrix-based tissue keratin-based acellular structure chitin-based acellular structure epithelial sac epithelial tube open at both ends arborizing epithelial duct system epithelial plexus epithelial vesicle smooth muscle sphincter striated muscle sphincter dense mesenchyme tissue loose mesenchyme tissue migrating mesenchyme population regenerating anatomical structure apical epidermal cap ciliated columnar oviduct epithelium cuboidal oviduct epithelium ciliated columnar epithelium ciliated epithelium stratified columnar epithelium ciliated stratified columnar epithelium tibial artery prostate gland ventral lobe layer of synovial tissue synovial cavity of joint synovial cavity of hip joint limiting membrane of retina pigment epithelium of eye nucleus of medulla oblongata hippocampus stratum lucidum hippocampus alveus hippocampus stratum lacunosum moleculare trigeminal nuclear complex ligamentum arteriosum thoracic lymph node future meninx endomeninx ectomeninx esophagogastric junction anatomical junction esophageal sphincter capillary loop nephron intersomitic vein facial neural crest lateral mesenchyme derived from mesoderm uriniferous tubule region of nephron tubule kidney field anlage thyroid diverticulum early pharyngeal endoderm gustatory pore nucleus of thalamus tract of spinal cord tract of brain superior cerebellar peduncle of pons bone of reproductive organ interphalangeal joint of pes interphalangeal joint of manus interphalangeal joint of manual digit 1 interphalangeal joint of pedal digit 1 interphalangeal joint of pedal digit 2 interphalangeal joint of pedal digit 3 interphalangeal joint of pedal digit 4 interphalangeal joint of pedal digit 5 interphalangeal joint of manual digit 2 interphalangeal joint of manual digit 3 interphalangeal joint of manual digit 4 interphalangeal joint of manual digit 5 metacarpophalangeal joint of manual digit 1 metacarpophalangeal joint of manual digit 2 metacarpophalangeal joint of manual digit 3 metacarpophalangeal joint of manual digit 4 metacarpophalangeal joint of manual digit 5 metatarsophalangeal joint of pedal digit 1 metatarsophalangeal joint of pedal digit 2 metatarsophalangeal joint of pedal digit 3 metatarsophalangeal joint of pedal digit 4 metatarsophalangeal joint of pedal digit 5 cerebellum vermis culmen epidermis gland scrotal sweat scrotal sweat gland secondary dentition secondary tooth umbilical vein endothelium umbilical artery endothelium transudate secretion of serous gland vascular system sclerotic ring connecting stalk connecting stalk vasculature adipose tissue of abdominal region craniocervical region post-anal tail appendage girdle region peritoneal mesentery external nose girdle bone/zone pectoral girdle bone pelvic girdle bone/zone pectoral girdle skeleton pelvic girdle skeleton osseus semicircular canal lumbar spinal cord ventral commissure sacral spinal cord ventral commissure cervical spinal cord ventral commissure thoracic spinal cord ventral commissure spinal cord white commissure membrane bone cartilage element regular connective tissue dense regular connective tissue perichordal tissue bone of craniocervical region sesamoid bone of manus sesamoid bone of pes irregular bone joint of girdle surface of cartilage tendon of biceps brachii tendon of triceps brachii pneumatized bone muscle of pectoral girdle nail plate chin forehead bone of hip region pelvic cavity craniocervical region musculature tibialis dorsal thoracic segment of trunk lower back muscle upper back muscle right clavicle left clavicle periodontal ligament right supracardinal vein tooth bud heart endothelium nasopharyngeal gland erectile tissue vestibule of vagina clitoral smooth muscle subarachnoid sulcus inguinal part of abdomen plantar part of pes nasal bridge columella nasi intestinal villus of duodenum intestinal villus of jejunum intestinal villus of ileum ileal epithelium duodenal epithelium breast epithelium proximal tubular epithelium distal tubular epithelium buccal epithelium inguinal mammary gland mammary ridge lumbar vertebral arch cervical vertebral arch vertebral arch of sacral segment thoracic vertebral arch intertarsal joint prezygapophysis of lumbar vertebra prezygapophysis of sacral vertebra prezygapophysis of cervical vertebra prezygapophysis of thoracic vertebra postzygapophysis of lumbar vertebra postzygapophysis of cervical vertebra postzygapophysis of thoracic vertebra cremaster muscle nasal muscle infrahyoid muscle piriformis muscle suprahyoid muscle lateral crico-arytenoid levator veli palatini procerus zygomaticus major muscle zygomaticus minor muscle levator anguli oris mentalis muscle depressor anguli oris muscle risorius muscle pectoral girdle and thoracic body wall skeletal muscle muscle tissue of prostate proximal epiphysis of tibia proximal epiphysis of fibula inner cell mass derived hypoblast hypaxial musculature epaxial musculature inner cell mass derived epiblast blastodisc derived epiblast lower limb segment upper limb segment posterior cranial fossa cranial fossa rugal fold rugal fold of stomach rugal fold of vagina transverse palatine fold parietal endoderm parotid gland primordium skin of cheek gingival groove coagulating gland prostate gland dorsolateral lobe foramina of scarpa nasopalatine nerve intromittent organ pharyngeal arch system embryonic head thymus primordium endoderm superior mediastinum inferior mediastinum anterior mediastinum middle mediastinum posterior mediastinum neural tube derived brain duct of epididymis pulmonary surfactant murine forestomach presphenoid bone cerebellum external granule cell layer great auricular nerve hepatic diverticulum liver bud palmar/plantar part of autopod metapodial pad palmar pad plantar pad suspensory ligament suspensory ligament of testis gubernaculum testis gubernaculum (female) nonskeletal ligament skeletal ligament cranial suspensory ligament ectoplacental cavity visceral yolk sac parietal yolk sac root of molar tooth placenta metrial gland stomach muscularis externa stomach smooth muscle circular layer pyloric canal cardiac gastric gland intermediate gastric gland pyloric gastric gland stomach smooth muscle inner oblique layer stomach smooth muscle outer longitudinal layer enamel knot trabecular network of bone pulmonary alveolar parenchyma alveolar pore pulmonary acinus hypodermis skeletal muscle layer epidermal-dermal junction palmar part of manus rostral migratory stream spinal cord commissure osteoid left putamen right putamen pulmonary vascular system rectal venous plexus pharyngeal gill precursor splanchnocranium post-hyoid pharyngeal arch fin lateral recess of third vetricle neuromast lateral line nerve dermal bone perichordal bone chondral bone perichondral bone pore somatosensory cortex primary somatosensory cortex secondary somatosensory cortex lung parenchyma respiratory primordium upper lobe of lung lower lobe of lung left lung lobe upper lobe of left lung lower lobe of left lung middle lobe of lung forelimb bone dental follicle apocrine gland fascia renal parenchyma submocosal esophageal gland habenular nucleus nucleus of cerebellar nuclear complex vasculature of brain placental membrane femorotibial joint periurethral tissue lower back skin upper back skin left uterine horn right uterine horn adrenal gland X zone vesical artery left pulmonary vein right pulmonary vein renal straight tubule sulcus ampullaris lymph node germinal center prostatic venous plexus gravid organism gravid uterus cervical thymus thoracic thymus indifferent gonad gill filament vomeronasal nerve adenohypophyseal placode geniculate placode petrosal placode nodosal placode epibranchial ganglion lateral line placode right atrium endocardium peroneus right posterior cardinal vein craniocervical region vein entire embryonic mesenchyme pharyngeal region of foregut sphenoid bone pre-cartilage condensation basisphenoid pre-cartilage condensation sphenoid cartilage element basisphenoid cartilage condenstion indifferent external genitalia basioccipital pre-cartilage condensation craniofacial suture facial suture limb epidermis nephric duct internasal suture medial nasal process mesenchyme lateral nasal process mesenchyme lateral nasal process surface ectoderm pharyngeal membrane pharyngeal membrane of 1st arch cartilaginous vertebral centrum embryonic nasal process basiotic bone postsphenoidal bone dorsum of tongue axilla associated mesenchyme of otic placode ectoderm of buccopharyngeal membrane endoderm of buccopharyngeal membrane associated mesenchyme of foregut-midgut junction mesentery of foregut-midgut junction pharyngeal arch mesenchymal region epithelium of foregut-midgut junction periotic mesenchyme mesenchyme of fronto-nasal process mesenchyme of hindgut mesenchyme of main bronchus mesenchyme of trachea mesenchyme of middle ear anal membrane endodermal component lateral lingual swelling epithelium mesenchyme of handplate maxillary process mesenchyme vascular element of left lung vascular element of right lung mesenchyme of sublingual gland primordium mesenchyme of submandibular gland primordium hepatic sinusoid of left of lobe of liver hepatic sinusoid of right of lobe of liver endoderm of foregut-midgut junction distal segment of digit distal segment of manual digit distal segment of pedal digit metacarpal/tarsal-phalangeal joint distal limb integumentary appendage nail of manual digit intestinal submucosa nail of pedal digit trunk region of vertebral column subdivision of trunk spinal cord sulcus limitans ventral midline lumen of central canal of spinal cord medulla oblongata sulcus limitans metencephalon sulcus limitans myelencephalon sulcus limitans diencephalon mantle layer midbrain mantle layer spinal cord lateral wall spinal cord mantle layer 1st arch mandibular mesenchyme interdigital region mesenchyme mesenchyme of interdigital region between manual digits 1 and 2 mesenchyme of interdigital region between manual digits 2 and 3 mesenchyme of interdigital region between manual digits 3 and 4 mesenchyme of interdigital region between manual digits 4 and 5 mesenchyme of interdigital region between pedal digits 1 and 2 mesenchyme of interdigital region between pedal digits 2 and 3 mesenchyme of interdigital region between pedal digits 3 and 4 mesenchyme of interdigital region between pedal digits 4 and 5 mesenchyme of interdigital region between digits 1 and 2 mesenchyme of interdigital region between digits 2 and 3 mesenchyme of interdigital region between digits 3 and 4 mesenchyme of interdigital region between digits 4 and 5 mesenchyme of interdigital region of manus mesenchyme of interdigital region of pes left lung associated mesenchyme right lung associated mesenchyme forebrain neural plate midbrain neural plate forebrain midbrain boundary neural plate hindbrain neural plate midbrain hindbrain boundary neural plate presumptive midbrain head paraxial mesoderm trunk paraxial mesoderm tail somite pronephric proximal straight tubule spinal nerve root lumbar nerve sacral nerve root of thoracic nerve root of lumbar spinal nerve root of cervical nerve root of sacral nerve parachordal cartilage prechordal cartilage alisphenoid ossification center orbitosphenoid ossification center body of sphenoid hypophyseal cartilage trachea non-cartilage connective tissue ampullary gland lumbar sympathetic nerve trunk tympanic membrane epithelium eyelid subcutaneous connective tissue nephron tubule basement membrane bronchus basement membrane trachea basement membrane alveolar artery auricular artery artery of lip midbrain nucleus hindbrain nucleus telencephalic nucleus gut mesentery ventral mesentery embryonic cloacal lumen rectal lumen nasal fin oronasal membrane early telencephalic vesicle tooth row set of lower jaw teeth set of upper jaw teeth anterior inferior cerebellar artery lumen of pharyngotympanic tube epithelium of laryngopharynx epithelium of appendix endocardium of right ventricle endocardium of left ventricle intermaxillary process stomodeal lumen entire pharyngeal arch endoderm proamniotic cavity visceral yolk sac cavity lymph node medullary sinus lymph node medullary cord head fold of embryonic disc tail fold of embryonic disc cephalic neural fold limb mesenchyme cardiac mesenchyme pancreas mesenchyme adrenal gland cortex zone abdominal ganglion proximal interphalangeal joint distal interphalangeal joint left anterior cardinal vein right anterior cardinal vein renal tubule lateral medullary reticular complex intermediate reticular formation intermediate reticular nucleus pleural sac cardiac muscle tissue of right auricle cardiac muscle tissue of left auricle lower rhombic lip upper rhombic lip glandular acinus prostate epithelial cord urogenital sinus lumen urogenital sinus mesenchyme embryonic cloacal epithelium prostate field zona limitans intrathalamica digestive tract diverticulum sac cavum septum pellucidum endosteum zone of stomach nephrogenic zone metapodium region mesopodial skeleton tarsal skeleton carpal skeleton anterior lateral plate mesoderm medullary ray interlobar artery secondary heart field facial mesenchyme right auditory cortex left auditory cortex root of optic nerve caudal root of abducens nerve rostral root of abducens nerve posterior lateral plate mesoderm lobule anatomical lobe renal lobe renal lobule wall of ureter kidney corticomedullary boundary retrotrapezoid nucleus ureter smooth muscle optic neural crest olfactory bulb plexiform layer post-embryonic organism vomeronasal system neurogenic placode bladder lumen lumen of oropharynx esophagus smooth muscle circular layer internodal tract epithelium of pancreatic duct principal gastric gland ureteropelvic junction ureterovesical junction lumen of Rathke's pouch condyle condyle of femur medial condyle of femur condyle of humerus condyle of tibia lateral condyle of tibia multicellular anatomical structure cell cluster organ pulmonary neuroendocrine body placental labyrinth villous placenta intervillous maternal lacunae placenta fetal blood space aggregate regional part of brain collection of basal ganglia tubotympanic recess epithelium dorsal part of pharyngeal pouch 2 dorsal part of pharyngeal pouch 3 ventral part of pharyngeal pouch 3 dorsal part of pharyngeal pouch 4 ventral part of pharyngeal pouch 4 6th arch mesenchyme anterior part of tongue posterior part of tongue fundic gastric gland food storage organ stomach non-glandular epithelium 1st arch mesenchyme 1st arch maxillary mesenchyme entire pharyngeal arch associated mesenchyme oral gland mucosa of dorsum of tongue malleus cartilage element stapes cartilage element future tongue hypoglossal cord pharyngeal opening of pharyngotympanic tube lumen of nasopharynx pharyngotympanic tube epithelium tympanic cavity epithelium open anatomical space auditory meatus epithelium tympanic plate outer epithelial layer of tympanic membrane intermediate layer of tympanic membrane layer of tympanic membrane chromaffin system sacral neural crest network of trabecular spaces in bone tissue cuboidal epithelium optic choroid vascular plexus future common hepatic duct future dermis future diaphragm future falx cerebri future hindbrain meninx future metencephalon future myelencephalon future facial nucleus future superior salivatory nucleus future pterygopalatine ganglion femur cartilage element embryonic autopod plate conducting tissue of heart neuroendocrine gland secretory circumventricular organ sensory circumventricular organ polarized epithelium primitive sex cord of indifferent gonad seminal vesicle fluid paraurethral gland paraurethral duct male accessory sex gland duct of major vestibular gland duct of bulbourethral gland skin mucus parietomastoid suture sphenofrontal suture sphenoparietal suture sphenozygomatic suture occipitomastoid suture lumen of lymphatic vessel lumen of blood vessel post-anal tail tip eyebrow collection of hairs collection of hair on face coat of hair collection of eyelashes region of neural crest strand of hair of face bulb of aorta sinotubular junction liver trabecula rete ovarii male urethral gland female urethral gland protuberance right atrium venous valve pair of dorsal aortae aortic system genital artery renal portal vein hepatic portal system trunk of common carotid artery carotid duct bona-fide anatomical boundary lateral line tail vasculature mesencephalic vein nictitating membrane blood clot laryngeal apparatus laryngeal pre-cartilage condensation cricoid pre-cartilage condensation arytenoid swellings thyroid pre-cartilage condensation arytenoid pre-cartilage condensation laryngeal associated mesenchyme anatomical line between pupils left pupil right pupil thalamic complex future cardiac atrium eyeball of camera-type eye anatomical line between outer ears stroma of thyroid gland palatopharyngeus muscle uvular muscle molar gland anterior buccal gland merocrine gland middle meningeal artery 1st arch mandibular mesenchyme from neural crest 1st arch maxillary mesenchyme from neural crest 2nd arch mesenchyme from neural crest 3rd arch mesenchyme from neural crest 4th arch mesenchyme from neural crest 6th arch mesenchyme from neural crest mesenchyme from rhombencephalic neural crest 1st arch mesenchyme from neural crest umbilical blood vessel operculum of brain hyoid apparatus zone of hyoid bone space in vertebral column mesocardium lacrimal punctum midbrain basal plate midbrain neural tube scleral cartilage scleral ossicle layer of sclera scleral endothelium substantia propria of sclera scleral skeletal element endochondral scleral ossicle intramembranous scleral ossicle scleral mesenchyme epithelial scleral papilla layer amnioserosa extraembryonic epithelium non-keratinized stratified squamous epithelium subdivision of conjunctiva bulbar conjunctiva conjunctival fornix os opticus palpebral bone nictitating membrane lamina scleral sesamoid bone immature eye neural crest-derived structure structure with developmental contribution from neural crest germ layer / neural crest skeletal element of eye region cranial skeletal system optic pedicel limb bud mesenchyme paired limb/fin bud mesenchyme eyelid mesenchyme epithelium of handplate extraembryonic membrane mesenchyme maxillary process mesenchyme from neural crest maxillary process mesenchyme from head mesenchyme mandibular process mesenchyme from neural crest mandibular process mesenchyme from head mesenchyme 1st arch maxillary mesenchyme from head mesenchyme 1st arch mandibular mesenchyme from head mesenchyme 1st arch mesenchyme from head mesenchyme 2nd arch mesenchyme from head mesenchyme 3rd arch mesenchyme from head mesenchyme 4th arch mesenchyme from head mesenchyme 6th arch mesenchyme from head mesenchyme hyoid pre-muscle mass otic capsule pre-cartilage condensation Reichert's cartilage pre-cartilage condensation ossification center arch of centrum of vertebra pharyngeal arch mesenchyme from neural crest pharyngeal arch mesenchyme from head mesenchyme synostosis endoskeleton endochondral element dermal skeleton odontoid tissue conjunctival vasculature conjunctival vein pulmonary lobule secondary pulmonary lobule ecto-epithelium uncinate process of ethmoid pancreas dorsal primordium pancreas ventral primordium mesenchyme from somatopleure mesenchyme from splanchnopleure superior tarsal muscle enteric nerve lumen of laryngopharynx Peyer's patch follicle Peyer's patch T cell area proximal segment of rib pterygoid bone lumen of urethra parametrium B cell domain T cell domain lymphocyte domain lymph node primary follicle afferent lymphatic vessel efferent lymphatic vessel spleen marginal sinus spleen trabecular artery spleen trabecular vein spleen central arteriole epidermis suprabasal layer brain marginal zone lateral ventricle subependymal layer spinal cord lateral motor column cholinergic enteric nerve ocular angle artery ocular surface region inguinal fat pad retroperitoneal fat pad epididymal fat pad parametrial fat pad omental fat pad barrel cortex lymph node B cell domain lymph node T cell domain urethral opening vibrissa follicle lymph node follicular corona spleen B cell corona primary nodular lymphoid tissue primary lymphoid nodule of tonsil distal segment of rib internal naris oropharyngeal choana ciliary processes flat bone zygomaticus muscle teres muscle teres minor muscle pseudostratified columnar epithelium pseudostratified ciliated columnar epithelium pseudostratified smooth columnar epithelium strand of pelage hair strand of auchene hair strand of awl hair strand of guard hair strand of zigzag hair strand of duvet hair electroreceptor organ replacement element microcirculatory vessel fibularis tertius fibularis brevis cavity of bone organ pneumatic cavity of bone metanephros induced blastemal cells primitive nephron metanephros cortex primitive mesonephric nephron primitive metanephric nephron nephron progenitor mesonephric nephron progenitor paired limb/fin segment tarsus pre-cartilage condensation tarsus cartilage element acropodial skeleton metacarpus skeleton metatarsus skeleton metapodial skeleton pedal digit 1 metatarsal pre-cartilage condensation pedal digit 2 metatarsal pre-cartilage condensation pedal digit 3 metatarsal pre-cartilage condensation pedal digit 4 metatarsal pre-cartilage condensation pedal digit 5 metatarsal pre-cartilage condensation pedal digit 1 metatarsal cartilage element pedal digit 2 metatarsal cartilage element pedal digit 3 metatarsal cartilage element pedal digit 4 metatarsal cartilage element pedal digit 5 metatarsal cartilage element pedal digit 1 mesenchyme manual digit 1 mesenchyme manual digit 1 metacarpus pre-cartilage condensation manual digit 2 metacarpus pre-cartilage condensation manual digit 3 metacarpus pre-cartilage condensation manual digit 4 metacarpus pre-cartilage condensation manual digit 5 metacarpus pre-cartilage condensation manual digit 1 metacarpus cartilage element manual digit 2 metacarpus cartilage element manual digit 3 metacarpus cartilage element manual digit 4 metacarpus cartilage element manual digit 5 metacarpus cartilage element manual digit 1 phalanx pre-cartilage condensation manual digit 2 phalanx pre-cartilage condensation manual digit 3 phalanx pre-cartilage condensation manual digit 4 phalanx pre-cartilage condensation manual digit 5 phalanx pre-cartilage condensation pedal digit 1 phalanx pre-cartilage condensation pedal digit 2 phalanx pre-cartilage condensation pedal digit 3 phalanx pre-cartilage condensation pedal digit 4 phalanx pre-cartilage condensation pedal digit 5 phalanx pre-cartilage condensation pedal digit phalanx pre-cartilage condensation manual digit phalanx pre-cartilage condensation manual digit 1 phalanx cartilage element manual digit 2 phalanx cartilage element manual digit 3 phalanx cartilage element manual digit 4 phalanx cartilage element manual digit 5 phalanx cartilage element pedal digit 1 phalanx cartilage element pedal digit 2 phalanx cartilage element pedal digit 3 phalanx cartilage element pedal digit 4 phalanx cartilage element pedal digit 5 phalanx cartilage element pedal digit phalanx cartilage element manual digit phalanx cartilage element pedal digit metatarsal pre-cartilage condensation skeleton of manual acropodium manual digit 1 epithelium pedal digit 1 epithelium mesenchyme of tarsal region skeleton of pedal acropodium pedal digit metatarsal cartilage element manual digit metacarpus pre-cartilage condensation manual digit metacarpus cartilage element phalanx pre-cartilage condensation phalanx cartilage element digit mesenchyme forelimb zeugopod skeleton appendage girdle complex pectoral complex pelvic complex pectoral fin skeleton pelvic fin skeleton limb skeleton subdivision paired fin skeleton iliac cartilage element pubic cartilage element girdle skeleton hindlimb zeugopod skeleton distal tarsal bone sutural bone sphenoid lesser wing pre-cartilage condensation alisphenoid pre-cartilage condensation alisphenoid cartilage element bone of appendage girdle complex bone of pectoral complex bone of pelvic complex meningeal cluster sacral vertebra pre-cartilage condensation sacral vertebra cartilage element iliac blade body of ilium lymph node follicle prefrontal bone squamous part of temporal bone primordium exoccipital cartilage element lymph node secondary follicle germinal center secondary follicle corona spleen follicular dendritic cell network subdivision of organism along appendicular axis supraglenoid tubercle calcaneum pre-cartilage condensation calcaneum cartilage element clavicle cartilage element clavicle pre-cartilage condensation radius pre-cartilage condensation ulna pre-cartilage condensation radius-ulna cartilage element tibia cartilage element tibia pre-cartilage condensation fibula cartilage element fibula pre-cartilage condensation skin of front of neck inter limb-segment region tusk limb cartilage element limb bone pre-cartilage condensation forelimb cartilage element forelimb bone pre-cartilage condensation hindlimb cartilage element hindlimb pre-cartilage condensation tragus ectethmoid pelvic complex muscle pectoral complex muscle mesethmoid element median external naris keratinous tooth synchronous hermaphroditic organism clavicle bone primordium opisthotic ossicle subdivision of skeleton vertebral element stapedius pre-muscle condensation intermandibularis crico-arytenoid muscle orbicularis oris muscle tensor tympani pre-muscle condensation muscle belly occipitofrontalis muscle cleidooccipital muscle sternooccipital muscle frontalis muscle belly nasalis muscle trapezius pre-muscle mass craniocervical muscle extensor pre-muscle mass trunk and cervical myotome group intercostal pre-muscle mass external oblique pre-muscle mass flexor pre-muscle mass latissimus dorsi pre-muscle mass levator scapulae pre-muscle mass pectoral pre-muscle mass serratus ventralis pre-muscle mass teres major pre-muscle mass articular cartilage of joint articular cartilage element pharyngeal arch cartilage endocardium of auricle endocardium of left auricle endocardium of right auricle iliac fossa extrinsic extensor muscle of manus thoracic vertebra 8 perilymphatic channel endolymphatic space angular bone palatoquadrate arch pharyngeal arch 7 ligament of knee joint skeleton of right pelvic girdle skeleton of left pelvic girdle right pelvic girdle region left pelvic girdle region vertebra cartilage element vertebra pre-cartilage condensation epiphysis of fifth metacarpal bone synovial joint of pelvic girdle synovial joint of pectoral girdle humeroulnar joint humeroradial joint tibiofibular joint tarsometatarsal joint carpometacarpal joint laryngeal joint cricothyroid joint cricoarytenoid joint temporomandibular joint primordium intermetacarpal joint intercarpal joint intermetatarsal joint nonsynovial joint intervertebral cartilage ligament of vertebral column axial skeletal system postcranial axial skeletal system synovial limb joint appendicular ossicle axial ossicle upper urinary tract adductor muscle of hip adductor muscle submucosal gland pharyngeal arch derived gill jaw depressor muscle dorsal hyoid arch skeleton ventral hyoid arch skeleton gular region facial skeleton primary subdivision of skull primary subdivision of cranial skeletal system nasal suture spheno-occipital synchondrosis supraoccipital cartilage element supraoccipital pre-cartilage condensation neurocranium bone patellofemoral joint septomaxilla bone postfrontal bone postorbital bone quadrate-articular joint joint connecting upper and lower jaws corpus spongiosum of penis epithelium of crypt of Lieberkuhn gastrointestinal sphincter Krause's gland ventral tubercle of humerus lamina propria of large intestine ophthalmic vein superior parathyroid epithelium parathyroid epithelium muscle layer of large intestine sacrococcygeal symphysis muscle layer of small intestine urachus epithelium urachus mesenchyme medial migration pathway NC-derived mesenchyme lateral migration pathway NC-derived mesenchyme migration pathway NC-derived mesenchyme root of vagus nerve nucleus of midbrain tectum central nervous system cell part cluster organ system subdivision mastoid process of temporal bone intra-ocular muscle synovial membrane of synovial tendon sheath fibrous membrane of synovial tendon sheath mesethmoid bone ethmoid region ethmoid cartilage perpendicular plate of ethmoid infra-orbital canal of maxilla appendicular skeletal system autopod bone scent gland carpometacarpal joint of digit 1 quadratojugal bone dorsal trunk embryonic skin basal layer nail of manual digit 1 nail of manual digit 2 nail of manual digit 3 nail of manual digit 4 nail of manual digit 5 nail of pedal digit 1 nail of pedal digit 2 nail of pedal digit 3 nail of pedal digit 4 nail of pedal digit 5 rostral organ pharyngobasilar fascia submucosa of uterine tube white matter of telencephalon gray matter of telencephalon manubrium sternum pre-cartilage condensation body of mandible masseteric fossa capsule of temporomandibular joint disk of temporomandibular joint ligament of temporomandibular joint masseteric nerve extrinsic tongue pre-muscle mass surface of mandible medial surface of mandible lateral surface of mandible Reissner's fiber cranial blood vasculature cranial lymph vasculature cleidocephalicus muscle cleidobrachialis muscle brachiocephalic muscle omotransversarius muscle transverse process of atlas sternocephalicus muscle prepuce skin of prepuce of clitoris facial modiolus lumen of gastrointestinal system lumen of esophagus mesonephric duct lumen styloid process of ulna supraorbital ridge flexural organ paired limb/fin skeleton stylopodial skeleton zeugopodial skeleton cell condensation pre-dentine pre-enamel non-mineralized cartilage tissue commissure of diencephalon tract of diencephalon future upper lip maxillary tooth dentary tooth jaw region future lower lip bone of upper jaw coronoid bone gingiva of upper jaw gingiva of lower jaw coronoid tooth hyomandibular bone hyomandibular cartilage hyomandibular element ceratohyal element ceratohyal cartilage ceratohyal bone hypohyal cartilage hypohyal element basihyal element basihyal cartilage basihyal bone horn of thyroid cartilage superior horn of thyroid cartilage inferior horn of thyroid cartilage orbital part of frontal bone early premaxilla ectopterygoid bone splenial bone surangular bone prearticular bone odontogenic mesenchyme of molar oral epithelium from ectoderm iliofemoralis muscle jaw muscle levator operculi subdivision of organism along main body axis trunk vertebra hindlimb intermedium bone proximal tarsal bone adductor mandibulae pre-enameloid enameloid extraembryonic portion of umbilical artery embryonic cardiovascular system left extraembryonic umbilical artery right extraembryonic umbilical artery cardiac valve leaflet aortic valve leaflet pulmonary valve leaflets genital swelling female labial swelling male genital swelling differentiated genital tubercle jugular lymph sac pineal gland stalk cartilaginous projection mentomeckelian lower jaw opening upper jaw opening utriculosaccular duct vagus nerve nucleus nucleus of spinal cord motor nucleus of vagal nerve nerve of head region non-neurogenic ectodermal placode skin appendage placode superficial fascia lumen of atrioventricular canal atrioventricular region irregular connective tissue dense irregular connective tissue dense connective tissue fibrous connective tissue loose connective tissue vestibular gland areolar gland duct of vestibular gland duct of sebaceous gland acinus of sebaceous gland acinus of parotid gland acinus of salivary gland acinus of areolar gland acinus of lactiferous gland acinus of lacrimal gland acinus of exocrine gland internal acoustic meatus collection of collagen fibrils aorta collagen fibril pulmonary collagen fibril bone collagen fibril tendon collagen fibril corneal stroma collagen fibril pisiform joint nasomaxillary suture ligament of sternoclavicular joint body of tongue muscle layer of esophagus anterior uvea endoneurial fluid lumen of vagina endomysium smooth muscle endomysium cardiac endomysium skeletal muscle endomysium epimysium gastrocnemius externus cerebellar glomerulus thalamic glomerulus line of Schwalbe yolk sac blood island connecting stalk blood islands cochlear basement membrane postganglionic autonomic fiber preganglionic autonomic fiber postganglionic sympathetic fiber preganglionic sympathetic fiber postganglionic parasympathetic fiber preganglionic parasympathetic fiber nasal hair pilosebaceous unit vibrissa unit vibrissa hair bulb vibrissa root sheath vibrissa inner root sheath vibrissa outer root sheath arrector pili muscle of vibrissa subintestinal vein luminal layer of epithelium ureter luminal urothelium endometrium luminal epithelium mammary gland luminal epithelium prostate luminal epithelium non-glandular epithelium stomach glandular region stomach non-glandular region left hepatic vein right hepatic vein acetabular labrum articular capsule of glenohumeral joint articular capsule of hip joint transverse tarsal joint talocalcaneonavicular joint saddle joint costotransverse joint radio-carpal joint mesotarsal joint talofibular ligament calcaneofibular ligament medial ligament of ankle joint epiphysis of phalanx of pes epiphysis of proximal phalanx of pes epiphysis of middle phalanx of pes epiphysis of distal phalanx of pes epiphysis of proximal phalanx of manus epiphysis of middle phalanx of manus epiphysis of distal phalanx of manus crurotarsal joint infraorbital sinus mucosa of infraorbital sinus pharyngeal adductor coelom left lung lower lobe bronchiole left lung upper lobe bronchiole right lung lower lobe bronchiole lobar bronchus of right lung middle lobe lobar bronchus of left lung upper lobe lobar bronchus of left lung lower lobe primary bronchiole right lung middle lobe bronchiole epithelium-associated lymphoid tissue palatal tooth palate bone palatal part of dermatocranium tooth of palatine bone bony part of hard palate replacement bone tibiotalar joint patella cartilage element patella pre-cartilage condensation bronchial lumen lumen of primary bronchus lumen of secondary bronchus lumen of tertiary bronchus buccal salivary gland zygomatic process of frontal bone frontal process of zygomatic bone diastema infraspinatus tendon dermatological-muscosal system fibulare nose tip olecranon fossa centrale segment of autopod digitopodium region manual digitopodium region pedal digitopodium region skeleton of digitopodium skeleton of manual digitopodium skeleton of pedal digitopodium buccal fat pad umbilical cord blood stomach primordium acoustico-facial VII-VIII ganglion complex skin apocrine gland head or neck skin phrenic vein intercostal vein intercostal space intercostal lymph node ureteric bud trunk urinary bladder vasculature urethral meatus male urethral meatus internal urethral orifice thyroid follicular lumen cervical gland cervical mucosa ectocervix cervix glandular epithelium ectocervical epithelium endocervical epithelium cervical squamo-columnar junction abdominal aorta artery forestomach-glandular stomach junction major duodenal papilla columnar epithelium meso-epithelium endometrium glandular epithelium gland of nasal mucosa chromaffin paraganglion perianal sebaceous gland mammary fat pad femoral fat pad Rathkes pouch epithelium fused carpal bones 2 and 3 lateral malleolus of fibula embryonic cloacal fold navicular fossa of spongiose part of urethra Guérin's valve urethral crest male urethral crest female urethral crest mucosa of urethra limb paddle female membranous urethra male membranous urethra ureteral orifice maxillary process ectoderm 1st arch maxillary ectoderm embryonic facial prominence incisive foramen primitive palate vagina orifice anterior ethmoidal artery posterior ethmoidal artery cervical artery deep cervical artery retrocerebral complex keratinized stratified squamous epithelium nasal-associated lymphoid tissue broad ligament of uterus ovarian bursa perianal skin holocrine gland autopod pad digital pad carpal pad urachal lumen mesangial matrix fin skeleton acropodium region manual acropodium region pedal acropodium region digitopodium bone manual digitopodium bone pedal digitopodium bone bone of jaw internal anal region thyroid follicle epithelium muscle layer of intestine circular muscle layer of muscular coat longitudinal muscle layer of muscular coat sympathetic nerve plexus muscle layer of jejunum muscle layer of urinary bladder large intestine smooth muscle circular layer large intestine smooth muscle longitudinal layer small intestine smooth muscle circular layer small intestine smooth muscle longitudinal layer respiratory system arterial smooth muscle respiratory system venous smooth muscle layer of microvilli striated border microvillus layer hematopoietic tissue tunica fibrosa of eyeball epithelial-mesenchymal boundary blastema of regenerating fin/limb blastema of regenerating digit tip endothelium of peritubular capillary mechanoreceptor sensory receptor nerve ending Merkel nerve ending cloacal lumen cloacal vent lumen of terminal part of digestive tract extraembryonic cavity enclosed anatomical space anal tooth external anal region skeleton of pectoral complex skeleton of pelvic complex dorsal part of neck cloacal gland cloacal mucosa cloacal epithelium submucosa of cloaca serosa of cloaca cloacal villus muscle layer of cloaca vaginal sphincter muscle layer of duodenum muscle layer of colon muscle layer of anal canal muscularis mucosae of duodenum muscularis mucosae of rectum serosa of appendix serosa of uterine tube serosa of fundus of stomach adventitia of esophagus umbilical smooth muscle gastroduodenal junction mucosa of gastroduodenal junction palatine torus popliteal area cornual diverticulum sulcus of brain proximal epiphysis of phalanx of pes distal epiphysis of phalanx of pes left posterior cardinal vein vein of abdomen vein of lip ligament of liver systemic vein capillary bed soleal vein gastrocnemius vein early mesencephalic vesicle early midbrain vesicle hindbrain vesicle future brain vesicle choroidal artery 1st arch mandibular endoderm foregut-midgut junction gland epithalamus mantle layer epithalamus ventricular layer left lateral ventricle right lateral ventricle molariform tooth cricopharyngeal ligament thyroepiglottic ligament cricoarytenoid ligament cricothyroid ligament cricotracheal ligament anterior part of tympanic bone ovarian cortex ovarian medulla stria of neuraxis cerumen gland zygomatic plate rete mirabile Ciaccio's gland accessory lacrimal gland crypt of Henle sweat gland of eyelid eyelid gland nictitans gland sebaceous gland of eyelid serous acinus ventrum ventral trunk future glans future glans penis future glans clitoris embryonic urethral groove male paramesonephric duct diaphysis of fibula diaphysis of tibia choroidal gland blood vessel layer of choroid asterion of skull bregma cranial cavity crotaphion groove for sigmoid sinus infratemporal fossa jugal point anatomical point connecting sagittal and lambdoidal sutures obelion occipital bun ophryon porion postorbital process pterygomaxillary fissure simian shelf spheno-maxillary fossa spheno-petrosal fissure stephanion suprainiac fossa sylvian point temporal fossa zygomatic fossa external occipital protuberance retromolar space upper esophagus gustatory gland cecal tonsil lung endothelium crypt of Lieberkuhn of ileum crypt of Lieberkuhn of duodenum crypt of Lieberkuhn of jejunum crypt of Lieberkuhn of colon crypt of Lieberkuhn of appendix panniculus adiposus cervical fascia abdominal fascia vestibulo-cochlear VIII ganglion complex cloacal sphincter 5th arch mesenchyme caudal vertebra cartilage element caudal vertebra pre-cartilage condensation cervical vertebra cartilage element cervical vertebra pre-cartilage condensation thoracic vertebra cartilage element thoracic vertebra pre-cartilage condensation lumbar vertebra cartilage element lumbar vertebra pre-cartilage condensation space surrounding organism subdivision of oviduct subdivision of tube stomach lumen otocyst lumen Brodmann area retrosplenial region Brodmann (1909) area 28 metapodium bone 1 metapodium bone 2 metapodium bone 3 metapodium bone 4 metapodium bone 5 fused metapodial bones 3 and 4 fused metacarpal bones 3 and 4 fused metatarsal bones 3 and 4 layer of lateral geniculate body lower jaw cingulum upper jaw cingulum primary molar tooth upper primary molar tooth secondary molar tooth upper secondary molar tooth lower primary molar tooth lower secondary molar tooth manual autopod pad pedal autopod pad short bone sesamoid element sesamoid cartilage epithelium of intestinal villus prostate gland lateral lobe gular gland buccal nerve lateral pterygoid nerve masseteric artery anatomical line between inner canthi inner canthus of right eye inner canthus of left eye left dorsal thalamus right dorsal thalamus foramen of skull anatomical conduit space pericranium tonsil germinal center appendix lymphoid tissue buttock cerebral cortex neuropil brain endothelium colon endothelium tonsil epithelium exocrine pancreas epithelium strand of pubic hair strand of axillary hair axial musculature main body axis body proper integumentary projection notochordal canal superficial inguinal ring deep inguinal ring notochordal fluid basilar papilla zona intermedia of adrenal gland basibranchial element basibranchial cartilage ulnar metaphysis metaphysis of humerus metaphysis of tibia metaphysis of radius diaphysis of metacarpal bone distal epiphysis of metacarpal bone integumentary system layer arterial blood venous blood capillary blood cervical os cervical cavity common crus of semicircular duct digestive system element epicanthal fold frontal process of maxilla great vessel of heart uterine lumen line connecting laterally paired nipples left nipple right nipple diaphysis of metatarsal bone skin of palmar/plantar part of autopod skin of palm of manus skin of sole of pes future telencephalon fibroelastic membrane of larynx intrinsic muscle of manus thenar muscle intrinsic muscle of pes whorl of hair collection of hairs on head or neck aryepiglottic fold vertebral endplate mesenchyme derived from neural crest kidney collecting duct epithelium gustatory papilla of tongue muscle layer of ileum palmar/plantar sweat gland sweat of palm sweat of axilla uterine fat pad proximal mesopodial bone interscapular fat pad lateral process of malleus respiratory muscle sinusoidal space hepatic sinusoidal space renal venous blood vessel sex-specific anatomical structure male anatomical structure female anatomical structure greater sciatic notch sciatic notch iliac crest superior pubic ramus inferior pubic ramus pubic ramus acetabular fossa acetabular notch pretectal nucleus tongue taste bud gustatory epithelium of tongue gustatory epithelium of palate visceral abdominal adipose tissue subcutaneous abdominal adipose tissue temporal fenestra supratemporal fenestra infratemporal fenestra cardiac ganglion renal fat pad antorbital fenestra subarachnoid fissure thoracic skeleton rib skeletal system distal phalanx of digit 1 distal phalanx of digit 2 distal phalanx of digit 3 distal phalanx of digit 4 distal phalanx of digit 5 middle phalanx of digit 2 middle phalanx of digit 3 middle phalanx of digit 4 middle phalanx of digit 5 proximal phalanx of digit 1 proximal phalanx of digit 2 proximal phalanx of digit 3 proximal phalanx of digit 4 proximal phalanx of digit 5 distal interphalangeal joint of digit 3 distal interphalangeal joint of pedal digit 3 distal interphalangeal joint of manual digit 3 white matter lamina of neuraxis white matter lamina of diencephalon white matter lamina of cerebral hemisphere subdivision of spinal cord central canal white matter lamina of cerebellum thoracic division of spinal cord central canal cervical division of cord spinal central canal lumbar division of spinal cord central canal sacral division of spinal cord central canal pyramidal layer of CA1 pyramidal layer of CA2 pyramidal layer of CA3 CA2 stratum oriens CA1 stratum oriens CA3 stratum oriens CA1 stratum radiatum CA2 stratum radiatum CA3 stratum radiatum CA1 stratum lacunosum moleculare CA2 stratum lacunosum moleculare CA3 stratum lacunosum moleculare CA1 alveus CA3 alveus thoracic spinal cord dorsal horn thoracic spinal cord ventral horn cervical spinal cord gray matter cervical spinal cord white matter accessory nerve root cervical spinal cord dorsal horn cervical spinal cord ventral horn basis modioli base of cochlear canal vestibular fissure of the cochlear canal terminal part of the cochlear canal ventral nerve root of cervical spinal cord dorsal nerve root of cervical spinal cord thoracic spinal cord gray matter thoracic spinal cord white matter lumbar spinal cord dorsal horn frontal sulcus occipital gyrus terminal nerve root vestibulocerebellum spinocerebellum cerebrocerebellum hemisphere part of cerebellar anterior lobe hemisphere part of cerebellar posterior lobe white matter of medulla oblongata distal interphalangeal joint of manual digit 2 distal interphalangeal joint of manual digit 4 distal interphalangeal joint of manural digit 5 distal interphalangeal joint of pedal digit 2 distal interphalangeal joint of pedal digit 4 distal interphalangeal joint of pedal digit 5 distal interphalangeal joint of digit 2 distal interphalangeal joint of digit 4 distal interphalangeal joint of digit 5 tooth whorl parasymphisial tooth whorl Helicoprion tooth whorl angular vein temporal sulcus inferior alveolar artery deep auricular artery lacrimal caruncle extraembryonic venous system extraembryonic vascular system frontonasal process epithelium anal membrane ectodermal component pleuroperitoneal canal lumen median lingual swelling epithelium primitive renal collecting duct system interlobular duct mucous acinus intralobular duct intercalated duct intercalated duct of pancreas intercalated duct of salivary gland striated duct of salivary gland compound cell cluster organ allocortex medial pallium dorsal pallium lateral pallium fused metapodial bones 2-4 fused metatarsal bones 2-4 anatomical line along groove crus of diaphragm superior palpebral vein palpebral vein palpebral artery prosomere midbrain neuromere spinal neuromere palatine aponeurosis cloacal muscle lingual septum musculature of forelimb stylopod musculature of pelvic complex musculature of pectoral complex pectoral appendage muscle pelvic appendage muscle common tendinous ring nuchal line attachment site highest nuchal line attachment site superior nuchal line attachment site median nuchal line attachment site inferior nuchal line attachment site supracoracoideus muscle vastus intermedius tendon of quadriceps femoris hemotrichorial placental membrane chorda tendinea of left ventricle chorda tendinea of right ventricle commissural leaflet of mitral valve posterior leaflet of mitral valve inferior orbital fissure distal epiphysis of distal phalanx of pedal digit 1 distal epiphysis of distal phalanx of pedal digit 2 distal epiphysis of distal phalanx of pedal digit 3 distal epiphysis of distal phalanx of pedal digit 4 distal epiphysis of distal phalanx of pedal digit 5 distal epiphysis of distal phalanx of pedal digit distal epiphysis of distal phalanx of manual digit 1 distal epiphysis of distal phalanx of manual digit 2 distal epiphysis of distal phalanx of manual digit 3 distal epiphysis of distal phalanx of manual digit 4 distal epiphysis of distal phalanx of manual digit 5 distal epiphysis of distal phalanx of manual digit distal epiphysis of distal phalanx of digit left hemisphere of cerebellum right hemisphere of cerebellum brainstem white matter skeletal muscle organ somatic muscle primordial vasculature intersomitic vessel thalamic eminence genu of facial nerve retrosplenial granular cortex perivascular space layer of developing cerebral cortex radius endochondral element radius-ulna endochondral element ulna endochondral element tibia endochondral element cervical vertebra endochondral element thoracic vertebra endochondral element lumbar vertebra endochondral element sacral vertebra endochondral element fibula endochondral element calcaneum endochondral element supraoccipital endochondral element stapes endochondral element incus endochondral element malleus endochondral element rib endochondral element forelimb endochondral element hindlimb endochondral element phalanx endochondral element manual digit phalanx endochondral element manual digit 1 phalanx endochondral element manual digit 2 phalanx endochondral element manual digit 3 phalanx endochondral element manual digit 4 phalanx endochondral element manual digit 5 phalanx endochondral element pedal digit phalanx endochondral element pedal digit 1 phalanx endochondral element pedal digit 2 phalanx endochondral element pedal digit 3 phalanx endochondral element pedal digit 4 phalanx endochondral element pedal digit 5 phalanx endochondral element pedal digit metatarsal endochondral element pedal digit 1 metatarsal endochondral element pedal digit 2 metatarsal endochondral element pedal digit 3 metatarsal endochondral element pedal digit 4 metatarsal endochondral element pedal digit 5 metatarsal endochondral element manual digit metacarpus endochondral element manual digit 1 metacarpus endochondral element manual digit 2 metacarpus endochondral element manual digit 3 metacarpus endochondral element manual digit 4 metacarpus endochondral element manual digit 5 metacarpus endochondral element basioccipital endochondral element carpus endochondral element tarsus endochondral element exoccipital endochondral element femur endochondral element humerus endochondral element iliac endochondral element pubic endochondral element ischial endochondral element scapula endochondral element alisphenoid endochondral element orbitosphenoid endochondral element sphenoid endochondral element limb endochondral element autopod endochondral element autopod cartilage centrale endochondral element distal carpal endochondral element distal carpal cartilage element centrale cartilage proximal carpal endochondral element proximal carpal cartilage proximal carpal bone pre-cartilage condensation proximal tarsal endochondral element proximal tarsal cartilage proximal tarsal bone pre-cartilage condensation distal carpal bone 1 endochondral element distal carpal bone 1 cartilage distal carpal bone 1 pre-cartilage condensation distal carpal bone 2 endochondral element distal carpal bone 2 cartilage distal carpal bone 2 pre-cartilage condensation distal carpal bone 3 endochondral element distal carpal bone 3 cartilage distal carpal bone 3 pre-cartilage condensation distal carpal bone 4 endochondral element distal carpal bone 4 cartilage distal carpal bone 4 pre-cartilage condensation distal tarsal endochondral element distal tarsal cartilage distal tarsal bone pre-cartilage condensation distal tarsal bone 1 endochondral element distal tarsal bone 1 cartilage distal tarsal bone 1 pre-cartilage condensation right outer canthus left outer canthus anatomical line between outer canthi anterior internodal tract middle internodal tract posterior internodal tract subepicardial layer of epicardium epicardial fat connective tissue of prostate gland terminal lactiferous duct main lactiferous duct infundibulum of gallbladder falciform fat mesenteric fat pad autopod hair pes hair manus hair pinna hair tail hair ventral hair dorsal hair Harderian gland duct gland of ocular region medial gland of ocular region lateral gland of orbital region conjunctival space terminal branch of ophthalmic artery inferior branch of oculomotor nerve superior branch of oculomotor nerve multi-unit eye uterine spiral artery endometrial blood vessel somite border somite boundary epithelium neck of talus neck of tooth perineural vascular plexus non-connected functional system glandular system lateral structure arcuate ligament circulatory organ dorsal vessel heart circulatory system dorsal vessel nematode pharynx nucleus of dorsal thalamus nucleus of ventral thalamus pineal complex parapineal organ lower part of vagina digit skin modified sebaceous gland coat hair follicle pancreas left lobe pancreas right lobe respiratory system basement membrane heart plus pericardium urethra mesenchymal layer ureteral valve anterior lingual gland duct subcutaneous lymph node pancreatic fat pad mediastinal fat pad axilla skin nose skin axillary fat pad scrotum skin proper hepatic artery left hepatic artery right hepatic artery epidermis of metapodial pad choledocho-duodenal junction frontal gyrus anal canal epithelium smooth muscle tissue layer of ejaculatory duct inferior tarsal muscle heterogeneous tissue epithelium of duct of salivary gland smooth muscle layer in fatty layer of subcutaneous tissue duct of olfactory gland acinus of olfactory gland upper respiratory conduit olfactory apparatus chamber cranial or facial muscle autopod skin digit connective tissue left lung lobar bronchus epithelium right lung lobar bronchus epitheium liver blood vessel ear epithelium eye epithelium middle ear epithelium outer ear epithelium foregut epithelium duodenum lamina propria incisor dental pulp molar dental pulp molar epithelium incisor enamel organ molar enamel organ molar dental papilla incisor mesenchyme upper left incisor tooth incisor tusk canine tusk upper left incisor tusk upper right incisor tusk narwhal tusk dental pulp of median incisor tusk interpedicular line ventral ectodermal ridge visceral abdominal lymph node lymph node of head facial lymph node heel skin heel pelvic lymph node parietal pelvic lymph node superficial lymph node deep lymph node lymph node of lower limb lymph node of upper limb infrapatellar fat pad mesocolic lymph node thoracic wall cervical vertebral arch joint pulmonary capillary corona of glans penis base of glans penis male breast central part of body of bony vertebral centrum medullary cavity of long bone anterior chest nasion bony part of vertebral arch compact bone of long bone compact bone of diaphysis epiphyseal plate of radius proximal interphalangeal joint of little finger palmar branch of median nerve chest wall glabella region of bone median palatine suture hair of head hair of trunk upper secondary premolar tooth lower secondary premolar tooth upper central secondary incisor tooth upper lateral secondary incisor tooth esophageal hiatus posterior pole of lens periorbital skin dorsum of nose antihelix antitragus skin of forehead primary incisor tooth liver stroma capsule of liver interlobular stroma of liver bronchial lymph node auditory system vertebral centrum element foramen spinosum of sphenoid bone intestinal-cloacal junction esophageal-pneumatic duct sphincter muscularis mucosa of fundus of urinary bladder muscularis mucosae of fundus of stomach stomach fundus lumen cavity of right ventricle epithelium of male urethra lamina propria of fundus of stomach lumen of duodenum cavity of left atrium cavity of left ventricle muscular layer of prostatic urethra lamina propria of prostatic urethra lumen of jejunum muscularis mucosae of jejunum epithelium of female urethra cavity of right atrium muscle layer of spongiose part of urethra frontal lobe lobe of cerebral hemisphere white matter of cerebral lobe white matter of frontal lobe cortex of cerebral lobe parietal cortex white matter of parietal lobe white matter of temporal lobe white matter of occipital lobe white matter of limbic lobe temporal cortex occipital cortex limbic cortex pharyngeal ectoderm central nervous system gray matter layer central nervous system white matter layer spinal cord column phlegm respiratory system mucus white matter of midbrain stria of telencephalon deep cerebral vein cerebral blood vessel pit statoconial membrane subcupular meshwork of statoconial membrane lamina of gray matter of spinal cord auditory hillocks, pharyngeal arch 1 derived auditory hillocks, pharyngeal arch 2 derived actinopterygian frontal-parietal joint premotor cortex supplemental motor cortex paramedian medullary reticular complex skin scent gland interdigital gland dorsal part of optic cup ventral part of optic cup future central nervous system future nervous system craniopharyngeal canal ovarian fossa shoulder joint epithelium of terminal part of digestive tract muscle tissue of terminal part of digestive tract entire extraembryonic component transitional anatomical structure periosteum of long bone frenulum of lip frenulum of upper lip frenulum of lower lip vermilion upper vermilion lower vermilion metaphysis of fibula ridge of tooth rostral margin of orbit lower premolar tooth upper premolar tooth exoccipital-atlas joint skin bony tubercle incisive process of premaxilla intertarsal sesamoid primary premolar tooth secondary premolar tooth upper primary premolar tooth lower primary premolar tooth cingulum of tooth cingulum of incisor tooth cingulum of canine tooth cingulum of upper incisor tooth cingulum of lower incisor tooth cingulum of upper canine tooth cingulum of lower canine tooth cingulum of lower jaw molar cingulum of upper jaw molar cingulum of molar tooth vomerine dentition swim bladder gas gland calcified structure of brain pineal corpora arenacea choroid plexus corpora arenacea paired venous dural sinus ventral body wall dorsal body wall developing mesenchymal structure salivary gland primordium buccal gland ventral surface of penis bony part of cervical vertebral arch bony part of vertebral arch of first sacral vertebra abdominal viscera internal surface of frontal bone internal surface of cranial base thenar eminence hypothenar eminence raphe of scrotum lower primary incisor tooth proximal mesopodial endochondral element proximal mesopodial cartilage element distal mesopodial endochondral element distal mesopodial cartilage element distal mesopodial pre-cartilage condensation distal mesopodial bone muscle layer of rectum rectum smooth muscle tissue left kidney interstitium right kidney interstitium left renal pelvis right renal pelvis left renal cortex interstitium right renal cortex interstitium left renal medulla interstitium right renal medulla interstitium tail fat pad rugal fold of scrotum fibrocollagenous connective tissue maxillary fenestra premaxillary fenestra caudal vertebra endochondral element transverse process of cervical vertebra cervical rib lumbar rib transverse process of lumbar vertebra ampullary gland secretion skin of lower lip skin of upper lip ligament of middle ear malleal ligament anterior process of malleus annular ligament of stapes pulmonary part of lymphatic system pulmonary lymphatic vessel renin-angiotensin system labyrinthine artery axillary sweat gland gland of Zeis stroma of pancreas capsule of pancreas rhombomere boundary palatine bone horizontal plate thymic artery thyroid vein cervical thymic artery meningeal vein skeletal musculature jejunal artery lacrimal vein submucosa of digestive tract layer of muscle tissue muscular coat of digestive tract anterior root of zygomatic arch egg tooth epidermal egg tooth lower deciduous premolar 5 lower molar 3 lower pharyngobranchial toothplate lower premolar 1 lower premolar 2 premolar 1 mandibular symphyseal tooth upper deciduous premolar 5 upper molar 1 adrenal tissue cephalic dermal scale choanal groove entocarotid fossa foramen for glossopharyngeal nerve hyoid articular area caudal fin radial element ilioischiadic foramen intraramal joint labial cartilage lateral condyle of quadrate maxillary shank medial condyle of quadrate medial cotyla metotic fissure nasal process of premaxilla parietal notch pars canalicularis of petrosal petrosal bone pharyngeal apophysis quadrate condyle sensory pore subolfactory process suborbital foramen suborbital shelf suprameatal foramen supratemporal process vidian canal deciduous premolar 5 molar tooth 1 molar tooth 3 second instar larva interoceptor arterial baroreceptor low-pressure baroreceptor vein baroreceptor cardiac baroreceptor pulmonary baroreceptor inferior alveolar nerve mental nerve infra-orbital foramen of maxilla infra-orbital nerve infra-orbital groove of maxilla ligament of hip joint vidian nerve facial nerve canal ethmoid foramen petrosal foramen foramen of nasal bone female inguinal ring male inguinal ring female superficial inguinal ring female deep inguinal ring mandibular symphyseal region lumen of intestine trigeminal nerve muscle ventral wall of dorsal aorta secondary incisor tooth central incisor tooth lateral incisor tooth primary central incisor tooth primary lateral incisor tooth upper secondary canine tooth lower secondary canine tooth lower central secondary incisor tooth lower lateral secondary incisor tooth upper first secondary premolar tooth upper second secondary premolar tooth lower first secondary premolar tooth lower second secondary premolar tooth upper first secondary molar tooth upper second secondary molar tooth upper third secondary molar tooth lower first secondary molar tooth lower second secondary molar tooth lower third secondary molar tooth primary canine tooth secondary canine tooth upper first primary molar tooth lower first primary molar tooth upper primary incisor tooth upper central primary incisor tooth upper lateral primary incisor tooth lower central primary incisor tooth lower lateral primary incisor tooth upper primary canine tooth lower primary canine tooth upper second primary molar tooth lower second primary molar tooth lower central incisor tooth lower lateral incisor tooth upper central incisor tooth upper lateral incisor tooth molar tooth 2 permanent molar tooth 2 permanent molar tooth 1 secondary upper tooth permanent lower tooth primary upper tooth primary lower tooth upper canine tooth lower canine tooth lower secondary incisor tooth premolar 2 deciduous molar tooth 2 deciduous molar tooth 1 incisor region of dentition premolar tooth 5 cardiac muscle tissue of ventricle foramen lacerum maxillary recess anterior ethmoidal foramen posterior ethmoidal foramen puparium pupal case neck of bone element neck of scapula neck of fibula heart vasculature thoracic splanchnic nerve ventral side of post-anal tail dorsal side of post-anal tail bladder organ reproductive system mucosa intramuscular adipose tissue carotid artery endothelium mucous gland of lung iliac artery endothelium skin of anterior chest skin epithelium tongue papilla epithelium chorioretinal region pole of lens digit 1 or 5 digit 2, 3 or 4 manual digit 1 or 5 manual digit 2, 3 or 4 pedal digit 1 or 5 pedal digit 2, 3 or 4 skin crease palmar skin crease plantar skin crease upper secondary incisor tooth upper eyelash lower eyelash white matter of hindbrain white matter of forebrain white matter of myelencephalon gray matter of hindbrain gray matter of forebrain gray matter of midbrain gray matter of diencephalon white matter of metencephalon white matter of pons white matter of pontine tegmentum commissure of telencephalon occipital sulcus sensory organ epithelium nose epithelium epithelium of external nose glossopharyngeal nerve root root of olfactory nerve meibum exocrine gland of integumental system intraorbital lacrimal gland exorbital lacrimal gland accessory XI nerve nucleus auricular blood vessel peduncle of diencephalon peduncle of thalamus forebrain ipsilateral fiber tracts cerebral nerve fasciculus ventral thalamic fasciculus strand of hair on external ear epithelium of crypt of Lieberkuhn of small intestine epithelium of crypt of Lieberkuhn of large intestine secretion of Harderian gland pineal recess of third ventricle lacrimal gland bud secretion of nictitans gland surface of eyeball splenic arteriole reproductive gland secretion inferior palpebral branch of infra-orbital nerve palpebral branch of infra-orbital nerve lower eyelid nerve upper eyelid nerve nervous system cell part layer visceral serous membrane parietal serous membrane basal layer of endometrium outer layer of endometrium mesentery of ileum placenta blood vessel male mammary gland duct lung field pontocerebellar tract cingulate cortex cingulum temporal cortex cingulum hippocampus cortex cingulum habenulo-interpeduncular tract of diencephalon composite part spanning multiple base regional parts of brain habenulo-interpeduncular tract of midbrain neural system white matter of the cerebellar cortex thalamic fiber tract motor system sacral spinal cord white matter lumbar spinal cord white matter flocculonodular lobe, hemisphere portion sacral spinal cord gray matter lumbar spinal cord gray matter lumbar spinal cord ventral horn sacral spinal cord ventral horn sacral spinal cord dorsal horn palatal taste bud vocal organ fold of peritoneum inflow tract inflow tract of ventricle inflow tract of atrium inflow tract of right ventricle inflow tract of left ventricle developing neuroepithelium proliferating neuroepithelium differentiating neuroepithelium cerebellum marginal layer hindbrain marginal layer spinal cord ventricular layer cortical preplate cranial neuron projection bundle epiphyseal tract pineal tract integumental taste bud barbel taste bud lip taste bud head taste bud pharyngeal taste bud mouth roof taste bud fin taste bud esophageal taste bud trunk taste bud autonomic nerve sympathetic nerve olfactory tract linking bulb to ipsilateral dorsal telencephalon coracoclavicular ligament areolar sweat gland hindbrain commissure remnant of cardiac valve glabella skin glabella region morphological feature lymphomyeloid tissue bulbourethral gland epithelium margin of eyelid future pituitary gland future neurohypophysis prechordal mesoderm alveolar ridge of premaxilla cervical sympathetic nerve trunk sacral sympathetic nerve trunk left atrium endocardium pineal parenchyma scapular muscle multi organ part structure cell cluster disconnected anatomical group anatomical collection anatomical row external soft tissue zone epithelium of biliary system layer of smooth muscle tissue venous sinus cavity blood sinus of vibrissa vibrissal follicle-sinus complex zone of organ embryonic lymph sac epithelial layer of duct paraganglion (generic) nonchromaffin paraganglion hindbrain cortical intermediate zone jaw mesenchyme outer renal medulla loop of Henle renal medulla loop of Henle preputial swelling preputial swelling of male preputial swelling of female nasal concha cartilage central gray substance functional part of brain abdominal oblique muscle eyelid epithelium naris epithelium jaw epithelium rectal artery parotid gland intralobular duct parotid gland intercalated duct parotid gland striated duct parotid gland excretory duct excretory duct of salivary gland excretory duct interlobular duct of salivary gland duct of eccrine sweat gland duct of apocrine sweat gland thymus subunit parotid gland myoepithelium lateral nasal gland parotid gland interlobular duct transverse process-bearing vertebra fascia of tail transverse process of caudal vertebra raphe of perineum intrinsic muscle diastema between central incisors diastema between upper central incisors diastema between lower central incisors material entity in digestive tract diastema between incisors suture of hard palate manus cartilage element pes cartilage element auditory ossicle endochondral element auditory ossicle cartilage element auditory ossicle pre-cartilage element longitudinal arch of pes anterior nasal spine of maxilla superficial lymphatic vessel neck of gallbladder branch of vertebral artery prostatic capsule branch of external carotid artery branch of basilar artery deep lymphatic vessel vasculature of integument superficial vein deep vasculature deep vein left cardiac chamber right cardiac chamber lateral line sense organ magnocellular superficial pretectal nucleus parvocellular superficial pretectal nucleus caudal pretectal nucleus central pretectal nucleus accessory pretectal nucleus superficial pretectal nucleus periventricular pretectal nucleus paracommissural periventricular pretectal nucleus profundal placode cartilage of external acoustic meatus accessory nerve cord of dorsal region hair canal nasal turbinal peripharyngeal space retropharyngeal space ocular adnexa laryngeal nerve nerve innervating pinna glans fibular nerve paraumbilical vein cavity of cardiac chamber pulmonary lymph node intrapulmonary bronchus submandibular region accessory ciliary ganglion ganglion of ciliary nerve layer of CA1 field layer of CA2 field layer of CA3 field alveus of CA2 field future mouth muscle layer of sigmoid colon serous cavity pericardial fat visceral fat abdominopelvic cavity peritoneal sac left adrenal gland cortex left adrenal gland medulla right adrenal gland cortex right adrenal gland medulla costal diaphragm esophagogastric junction mucosa esophagogastric junction submucosa esophagogastric junction muscularis mucosa esophagogastric junction muscularis propria enthesis orbital margin sulcus of parietal lobe orbital pillar wall of blood vessel gluteal sulcus respiratory primordium epithelium respiratory primordium mesenchyme glymphatic system cardiopharyngeal field skin appendage follicle anatomical surface region corticobulbar and corticospinal tracts respiratory system gland post-embryonic notochord secretion of serous membrane parenchyma of mammary gland incudostapedial joint incudomallear joint joint of auditory ossicle zone of basilar membrane of cochlea orifice of skull interoceptive system uterine ligament zygomaticotemporal nerve wall of left ventricle wall of right ventricle oral frenulum mucosa of lip renal pelvis/ureter vasculature of spleen vasculature of central nervous system plus retina vasculature of central nervous system collection of hair on external ear collection of hair on forehead mole skin of snout collection of hair on snout skin of face Zymbal's gland spleen pulp parenchyma of spleen paired fin radial bone pelvic fin distal radial bone paired fin radial element pelvic fin distal radial element paired fin radial cartilage Brachet's cleft Kupffer's vesicle anterior axial hypoblast ball intermediate cell mass of mesoderm median axial vein median fin fold myotome somite 14 dorsal actinotrichium polster neural plate proneural cluster somite 1 somite 5 somite 26 ventral actinotrichium ventral mesoderm yolk yolk syncytial layer actinotrichium apical ectodermal ridge dorsal fin cardinal system proliferative region dorsal fin fold extension macula lagena lateral line ganglion mandibular lateral line neuromast antorbital otic lateral line neuromast somite 20 somite 30 ventral mesenchyme inferior lobe anterior macula caudal cerebellar tract posterior lateral line nerve caudal oblique caudal peduncle central caudal thalamic nucleus central pretectum commissura rostral, pars ventralis corpus cerebelli diffuse nuclei dorsal accessory optic nucleus dorsal depressor muscle dorsal hypohyal bone dorsal periventricular hypothalamus dorsal transverse efferent portion of pharyngeal arch artery rhinosphenoid external ventral flexor lateral preglomerular nucleus gigantocellular part of magnocellular preoptic nucleus gill lamella granular eminence hypobranchial vessel infracarinalis internal levator isthmic primary nucleus infraorbital 1 quadrate ventral process lateral crista primordium lateral ethmoid bone lateral line primordium longitudinal hypochordal lateral semicircular canal primordium lower oral valve macula neglecta olfactory tract linking bulb to ipsilateral ventral telencephalon mesocoracoid bone metapterygoid midline column nucleus of the descending root magnocellular preoptic nucleus opercle mandibular lateral line pharyngohyoid preopercle primary olfactory fiber layer anal fin proximal radial bone inferior ventral flexor radial bone rostral octaval nerve sensory nucleus rostrolateral thalamic nucleus of Butler & Saidel secondary gustatory nucleus medulla oblongata medial division subopercle superficial adductor superficial lateralis (teleost) superior dorsal flexor supracarinalis preopercle horizontal limb medial octavolateralis nucleus synencephalon torus lateralis uncrossed tecto-bulbar tract vagal lobe vent ventral hypohyal bone ventral sulcus vestibulolateralis lobe external yolk syncytial layer adductor mandibulae complex anal inclinator asteriscus brainstem and spinal white matter branchiostegal membrane caudal levator caudal octaval nerve sensory nucleus caudal periventricular hypothalamus crossed tecto-bulbar tract preopercle vertical limb basioccipital posterodorsal region dorsal flexor dorsal inclinator muscle dorsal zone of median tuberal portion of hypothalamus exoccipital posteroventral region epaxialis epipleural external cellular layer gill raker granular layer corpus cerebelli hypaxialis hypobranchial bone hypural internal pharyngoclavicularis interpeduncular nucleus medulla oblongata dorsal fin actinotrichium anal fin actinotrichium infraorbital lateral line sensory nucleus levator arcus palatini medial caudal lobe medial funicular nucleus medulla oblongata medial preglomerular nucleus median tuberal portion molecular layer corpus cerebelli nucleus subglomerulosis nucleus isthmi secondary gustatory nucleus trigeminal nuclei octaval nerve sensory nucleus periventricular nucleus of caudal tuberculum postcleithrum posterior crista primordium posterior semicircular canal primordium presumptive cephalic mesoderm pterosphenoid retroarticular opercular lateral line anterior lateral line nerve rostral parvocellular preoptic nucleus scaphium secondary gustatory tract caudal fin actinotrichium parhypural superficial pelvic abductor superior raphe nucleus supraneural bone tertiary gustatory nucleus torus longitudinalis upper oral valve urohyal ventral accessory optic nucleus ventral flexor ventromedial thalamic nucleus Weberian ossicle abductor hyohyoid otic lateral line adductor operculi anal depressor anterior crista primordium anterior semicircular canal primordium intercalar paraventricular organ branchiostegal ray caudal mesencephalo-cerebellar tract caudal octavolateralis nucleus caudal preglomerular nucleus caudal tuberal nucleus celiacomesenteric artery central nucleus inferior lobe ceratobranchial bone coracoradialis infraorbital 5 pelvic adductor profundus dilator operculi dorsal arrector dorsal erector muscle dorsal motor nucleus trigeminal nerve dorsal oblique branchial muscle dorsal retractor epineural pelvic fin radial bone external levatores facial lobe periventricular grey zone glossopharyngeal lobe inferior hyohyoid inferior reticular formation intercalarium intermuscular bone pharyngobranchial bone interradialis lapillus lateral division magnocellular octaval nucleus medial column pectoral fin actinotrichium posttemporal nucleus lateralis valvulae opercular flap preural 1 vertebra posterior macula pelvic abductor profundus internal cellular layer pterotic rostral mesencephalo-cerebellar tract rostral preglomerular nucleus rostral tuberal nucleus saccus dorsalis kinethmoid cartilage preural 2 vertebra sphenotic sulcus ypsiloniformis superficial pelvic adductor superior reticular formation medial column supracleithrum pelvic fin actinotrichium telencephalic tracts torus semicircularis uroneural valvula cerebelli ventral transverse ventrolateral nucleus vertical myoseptum visceromotor column abductor profundus adductor arcus palatini adductor profundus anal erector autopalatine barbel basipterygium bone posterior ceratohyal caudal fin musculature caudal motor nucleus of abducens caudal parvocellular preoptic nucleus caudal tuberculum caudal zone of median tuberal portion of hypothalamus cerebellar crest claustrum cartilage commissura rostral, pars dorsalis commissure of the secondary gustatory nuclei rostral cerebellar tract descending octaval nucleus anal fin distal radial bone dorsal caudal thalamic nucleus dorsal fin musculature dorsal pelvic arrector rostral motor nucleus of abducens entopterygoid epibranchial bone epural external pharyngoclavicularis extrascapula filamental artery hypobranchial artery interopercle sagitta segmental intercostal artery superficial abductor superficial pretectum supraorbital bone symplectic tangential nucleus ceratobranchial 5 tooth labial cavities tripus entopterygoid vertical strut ventral arrector ventral motor nucleus trigeminal nerve ventral pelvic arrector ventral zone viscerosensory commissural nucleus of Cajal DEL internal yolk syncytial layer adductor hyohyoid afferent portion of pharyngeal arch artery apical ectodermal ridge median fin fold epaxial region somite 27 somite 11 somite 14 somite 17 somite 2 epaxial region somite 3 somite 23 somite 27 somite 3 somite 7 preural vertebra hemal postzygapophysis epaxial region somite 11 epaxial region somite 5 epaxial region somite 14 epaxial region somite 17 epaxial region somite 2 epaxial region somite 22 epaxial region somite 25 epaxial region somite 28 epaxial region somite 30 epaxial region somite 6 epaxial region somite 9 epaxial region somite 8 granular layer valvula cerebelli hypaxial region somite 11 hypaxial region somite 14 hypaxial region somite 17 hypaxial region somite 2 hypaxial region somite 22 hypaxial region somite 25 hypaxial region somite 28 hypaxial region somite 30 hypaxial region somite 6 hypaxial region somite 9 lateral forebrain bundle telencephalon mesenchyme dorsal fin myotome somite 11 myotome somite 15 myotome somite 18 myotome somite 20 myotome somite 23 myotome somite 26 myotome somite 29 myotome somite 4 myotome somite 7 infraorbital lateral line neuromast opercular lateral line neuromast nucleus of medial longitudinal fasciculus of medulla presumptive neuron neural tube central nucleus torus semicircularis sclerotome somite 11 sclerotome somite 14 sclerotome somite 17 sclerotome somite 2 sclerotome somite 22 sclerotome somite 25 sclerotome somite 28 sclerotome somite 30 sclerotome somite 6 sclerotome somite 9 somite 12 somite 15 somite 18 somite 21 somite 24 somite 28 somite 4 somite 8 specialized hemal arch and spine epaxial region somite 1 epaxial region somite 12 epaxial region somite 15 epaxial region somite 18 epaxial region somite 20 epaxial region somite 23 epaxial region somite 26 epaxial region somite 29 epaxial region somite 4 epaxial region somite 7 floor plate neural rod hypaxial region somite 1 hypaxial region somite 12 hypaxial region somite 15 hypaxial region somite 18 hypaxial region somite 20 hypaxial region somite 23 hypaxial region somite 26 hypaxial region somite 29 hypaxial region somite 4 hypaxial region somite 7 hypural musculature medial forebrain bundle telencephalon mesenchyme median fin fold molecular layer valvula cerebelli myotome somite 1 hypaxial region somite 10 myotome somite 12 myotome somite 16 myotome somite 19 myotome somite 21 myotome somite 24 myotome somite 27 myotome somite 3 myotome somite 5 myotome somite 8 dorsal fin distal radial bone hypaxial region somite 13 middle lateral line neuromast posterior lateral line neuromast nucleus of the medial longitudinal fasciculus synencephalon hypaxial region somite 16 dorsal fin proximal radial bone sclerotome somite 1 sclerotome somite 12 sclerotome somite 15 sclerotome somite 18 sclerotome somite 20 hypaxial region somite 19 sclerotome somite 23 sclerotome somite 26 sclerotome somite 29 sclerotome somite 4 sclerotome somite 7 hypaxial region somite 21 somite 10 somite 13 somite 16 somite 19 somite 22 hypaxial region somite 24 somite 25 somite 29 somite 6 somite 9 superior reticular formation tegmentum ventral rhombencephalic commissure medulla oblongata hypaxial region somite 27 hypaxial region somite 3 hypaxial region somite 5 hypaxial region somite 8 epaxial region somite 10 lateral wall neural rod medial funicular nucleus trigeminal nuclei epaxial region somite 13 epaxial region somite 16 myotome somite 10 myotome somite 13 myotome somite 17 myotome somite 2 myotome somite 22 myotome somite 25 myotome somite 28 myotome somite 30 myotome somite 6 myotome somite 9 epaxial region somite 19 occipital lateral line neuromast supraorbital lateral line neuromast hypurapophysis epaxial region somite 21 sclerotome somite 10 sclerotome somite 13 sclerotome somite 16 sclerotome somite 19 epaxial region somite 24 sclerotome somite 21 sclerotome somite 24 sclerotome somite 27 sclerotome somite 3 sclerotome somite 5 sclerotome somite 8 caudal division of the internal carotid artery primordial hindbrain channel future internal carotid artery lateral dorsal aorta pronephric duct opening cranial division of the internal carotid artery basidorsal presumptive mesencephalic artery posterior caudal vein ventral fin fold axial vasculature intestinal bulb myoseptum immature macula immature anterior macula immature posterior macula urogenital papilla organizer inducing center noninvoluting endocytic marginal cell cluster pharyngeal pouches 2-6 ventral tooth row mediodorsal tooth row dorsal tooth row tooth 1V tooth 5V tooth 4V tooth 2V tooth 3V tooth 1MD tooth 2MD tooth 1D tooth 2D tooth 4MD tooth 3MD anal fin musculature posterior lateral line placode posterior lateral line primordium supraneural 7 bone supraneural 6 bone supraneural 5 bone supraneural 9 bone vertebral element 3 vertebral element 4 os suspensorium roofing cartilage epidermal superficial stratum epidermal intermediate stratum dermal superficial region collagenous dermal stroma Weberian apparatus Weberian vertebra supraneural 2 bone supraneural 3 bone supraneural 8 bone corpuscles of Stannius ventral lateral mesoderm basibranchial copula anterior copula posterior copula basibranchial 1 bone basibranchial 2 bone basibranchial 3 bone basibranchial 4 bone pharyngeal arch 3 skeleton pharyngeal arch 7 skeleton pharyngeal arch 6 skeleton pharyngeal arch 4 skeleton pharyngeal arch 5 skeleton hypobranchial 1 bone hypobranchial 4 bone hypobranchial 3 bone hypobranchial 2 bone ceratobranchial 1 bone ceratobranchial 5 bone ceratobranchial 4 bone ceratobranchial 3 bone ceratobranchial 2 bone epibranchial 1 bone epibranchial 5 cartilage epibranchial 4 bone epibranchial 2 bone epibranchial 3 bone pharyngobranchial 2 bone pharyngobranchial 4 cartilage pharyngobranchial 3 bone lateral floor plate medial floor plate ovarian follicle stage I ovarian follicle stage II ovarian follicle stage III regenerating fin/limb coronomeckelian anterior chamber swim bladder posterior chamber swim bladder branchiostegal ray 1 branchiostegal ray 3 branchiostegal ray 2 caudal vein plexus posterior kidney vagal placode 1 vagal placode 2 vagal placode 3 vagal placode 4 vagal ganglion 1 vagal ganglion 2 vagal ganglion 3 vagal ganglion 4 dorsal anterior lateral line ganglion ventral anterior lateral line ganglion posterior lateral line ganglion anterior lateral line placode enteric musculature supradorsal nucleus of the tract of the postoptic commissure intervening zone presumptive intervening zone telencephalon diencephalon boundary stratum fibrosum et griseum superficiale stratum marginale stratum opticum stratum periventriculare alar plate midbrain basiventral neural complex of Weberian apparatus hemal spine tract of the postoptic commissure pancreatic system axial hypoblast epibranchial bone uncinate process epithelial mesenchymal boundary of regenerating fin/limb regeneration epithelium of fin/limb anterior lateral line ganglion parapophysis 1 parapophysis 2 neural arch 3 neural arch 4 parapophysis + rib of vertebra 4 post-Weberian supraneural supraethmoid preethmoid bone kinethmoid bone infraorbital 2 infraorbital 3 infraorbital 4 epiotic pelvic fin distal radial bone 2 pelvic fin distal radial bone 3 pelvic fin distal radial bone 1 dorsal fin pterygiophore anal fin pterygiophore basal plate cartilage posterior naris anterior naris olfactory rosette pneumatic duct primitive olfactory epithelium anterior sclerotic bone posterior sclerotic bone ductus communicans apical ectodermal ridge pelvic fin pectoral fin endoskeletal disc postcranial axial cartilage melanophore stripe pharyngeal mesoderm anterior lateral line system anterior lateral line posterior lateral line system anterior lateral line neuromast dorsal anterior lateral line nerve ventral anterior lateral line nerve middle lateral line nerve middle lateral line ganglion epiphyseal bar occipital arch cartilage taenia marginalis anterior trabecula communis interhyal cartilage taenia marginalis posterior ceratobranchial cartilage ceratobranchial 2 cartilage ceratobranchial 3 cartilage ceratobranchial 4 cartilage ceratobranchial 1 cartilage ceratobranchial 5 cartilage hypobranchial cartilage hypobranchial 4 cartilage hypobranchial 1 cartilage hypobranchial 2 cartilage hypobranchial 3 cartilage epibranchial cartilage epibranchial 1 cartilage epibranchial 3 cartilage epibranchial 2 cartilage epibranchial 4 cartilage pharyngobranchial cartilage pharyngobranchial 3 cartilage median fin cartilage pharyngobranchial 2 cartilage mesocoracoid cartilage pelvic radial cartilage basipterygium cartilage pelvic radial 3 cartilage pelvic radial 2 cartilage pelvic radial 1 cartilage neural spine 4 intercalarium ascending process manubrium hypural 1 hypural 2 hypural 3 hypural 4 hypural 5 postovulatory follicle premaxilla ascending process anterior dorsomedial process of autopalatine ural vertebra 2 ural centrum 2 non-Weberian precaudal vertebra preural centrum 1+ ural centrum 1 caudal procurrent ray caudal principal ray pectoral fin radial bone pectoral fin proximal radial bone pectoral fin distal radial bone propterygium cartilage claustrum bone caudal fin upper lobe caudal fin lower lobe maxilla ascending process lateral ethmoid palatine process basipterygoid process of parasphenoid autopalatine-lateral ethmoid joint quadrate dorsal process quadrate posterodorsal process sensory canal sphenotic spine lateral ethmoid wing trunk sensory canal post-otic sensory canal lagenar capsule premaxillary tooth otic sensory canal supratemporal sensory canal ectopterygoid tooth entopterygoid tooth notochordal ossification pharyngeal tooth plate rudimentary neural arch anal fin radial bone dorsal fin radial bone infraorbital 6 mesethmoid cornu mesethmoid-premaxillary joint mesethmoid-nasal joint mesethmoid-frontal joint mesethmoid-lateral ethmoid joint mesethmoid-vomer joint cornu mesial process lateral ethmoid-ectopterygoid ligament bony shelf above orbit interopercular-mandibular ligament infraorbital 7 infraorbital 8 infraorbital 9 infraorbital 10 infraorbital 11 infraorbital 12 dermosphenotic infraorbital series opercle-interopercle joint frontal-pterotic joint caudal principal ray 1 caudal principal ray 2 caudal principal ray 3 caudal principal ray 4 caudal principal ray 5 caudal principal ray 6 caudal principal ray 7 caudal principal ray 8 caudal principal ray 9 caudal principal ray 10 caudal principal ray 11 caudal principal ray 12 caudal principal ray 13 caudal principal ray 14 caudal principal ray 15 caudal principal ray 16 caudal principal ray 17 caudal principal ray 18 caudal principal ray 19 vertebral element 5 mesethmoid ventral diverging lamella scapular foramen coracoid foramen anterior cranial fontanel posterior cranial fontanel auditory foramen lateral mesethmoid wing superficial ophthalmic nerve foramen dentary-anguloarticular joint rib of vertebra 6 rib of vertebra 5 posttemporal fossa dorsal fin ray 1 dorsal fin ray 2 dorsal fin ray 3 dorsal fin ray 4 dorsal fin ray 5 dorsal fin ray 6 dorsal fin ray 7 pectoral fin ray 1 pectoral fin ray 2 pectoral fin ray 3 pectoral fin ray 4 pectoral fin ray 5 pectoral fin ray 6 pectoral fin ray 7 anal fin ray 1 anal fin ray 2 anal fin ray 3 anal fin ray 4 anal fin ray 5 anal fin ray 6 anal fin ray 7 pelvic fin ray 1 pelvic fin ray 2 pelvic fin ray 3 pelvic fin ray 4 supraoccipital crest autopalatine-vomer joint branched dorsal fin ray orbitosphenoid-prootic joint recessus lateralis quadrate-hyomandibula joint quadrate-metapterygoid joint olfactory nerve foramen articular bone supraorbital sensory canal infraorbital sensory canal preoperculo-mandibular sensory canal preopercular sensory canal mandibular sensory canal dorsal fin proximal radial bone 1 dorsal fin proximal radial bone 2 notochord posterior region lateral line scale premaxillary-maxillary ligament primordial ligament caudal fin dorsal procurrent ray caudal fin ventral procurrent ray pterosphenoid-orbitosphenoid joint parasphenoid-basioccipital joint interhyal-epihyal joint epihyal-ceratohyal joint ceratohyal-dorsal hypohyal joint ceratohyal-ventral hypohyal joint dorsal hypohyal-ventral hypohyal joint inter-ventral hypohyal joint dorsal hypohyal-urohyal joint ventral hypohyal-urohyal joint epihyal-branchiostegal ray joint ceratohyal-branchiostegal ray joint gill ray epibranchial 4-upper pharyngeal toothplate joint epibranchial 3-pharyngobranchial 3 joint epibranchial 3-pharyngobranchial 4 joint inter-hypobranchial 3 joint basibranchial 1 cartilage basibranchial 4 cartilage supraneural 2 cartilage supraneural 3 cartilage Weberian ossicle set trunk sensory canal system head sensory canal system basibranchial 2 cartilage opercular series basibranchial 3 cartilage rib of vertebra 2 rib of vertebra 1 rib of vertebra 3 rib of vertebra 4 interhyal element hypobranchial element hypobranchial 1 element hypobranchial 2 element hypobranchial 3 element hypobranchial 4 element ceratobranchial element ceratobranchial 1 element ceratobranchial 2 element ceratobranchial 3 element ceratobranchial 4 element ceratobranchial 5 element epibranchial element epibranchial 1 element epibranchial 2 element epibranchial 3 element epibranchial 4 element pharyngobranchial element pharyngobranchial 2 element pharyngobranchial 3 element pharyngobranchial 4 element basibranchial 1 element basibranchial 2 element basibranchial 3 element basibranchial 4 element inter-frontal joint anterior myodome articular fossa of opercle epioccipital posterior process accessory vomerine tooth plate sensory canal tubular ossicle sensory canal tubule rostral plate anterior nasal barbel maxillary barbel inter-basipterygium joint vertebra 4-vertebra 5 joint orbitosphenoid-lateral ethmoid joint autopalatine-maxillary joint lateral ethmoid-autopalatine ligament hyomandibular-otic region joint inter-premaxillary joint skin flap inner mental barbel intercostal ligament subtemporal fossa hyomandibula-metapterygoid joint vertebral element 6 vertebral element 7 vertebral element 8 branched anal fin ray gill raker row parietal-supraoccipital posttemporal-supracleithrum hyoideomandibular nerve lateral fontanel of frontal dentary foramen hypomaxilla ascending process of the parasphenoid dermethmoid second preethmoid mental barbel orbital foramen lateral ethmoid-frontal joint prootic-pterosphenoid joint prootic-exoccipital joint basioccipital-exoccipital joint inter-coracoid joint scale circulus prootic depression bony plate vertebra 5-vertebra 6 joint vertebra 6 - vertebra 7 joint gill opening posttemporal-parietal joint branched caudal fin ray auditory fenestra upper hypural set lower hypural set spina occipitalis ural centrum pro-otic fossa dorsal fin pterygiophore 1 bony plate series hemal spine series lateral line scale series branchiostegal ray series epibranchial series ceratobranchial series prootic bulla orbitosphenoid septum annular ligament anterior swim bladder bud arrector muscle vertebral element 9 vertebral element 10 vertebral element 11 vertebral element 12 opercular cavity ural vertebra caudal principal ray set branchial mesenchyme octaval nerve motor nucleus rostral octaval nerve motor nucleus caudal octaval nerve motor nucleus climbing fiber dorsolateral motor nucleus of vagal nerve dorsolateral septum epidermal placode hypobranchial muscle intermediate nucleus macula communis medial motor nucleus of vagal nerve mossy fiber os suspensorium medial flange otic vesicle protrusion otic vesicle ventral protrusion parasphenoid-pterosphenoid joint parallel fiber parvocellular preoptic nucleus pericardial muscle pillar of the semicircular canal pleuroperitoneal cavity posterior pronephric duct preglomerular nucleus presumptive atrium primitive heart tube presumptive cardiac ventricle primitive heart tube presumptive ventral mesoderm Purkinje cell layer corpus cerebelli Purkinje cell layer valvula cerebelli scale primordium supraoptic tract premaxilla dentigerous process premaxillary-maxillary joint preopercle-opercle joint body marking basal communicating artery mid cerebral vein pseudobranchial artery afferent filamental artery concurrent branch afferent branchial artery recurrent branch afferent branchial artery afferent lamellar arteriole primordial midbrain channel efferent filamental artery efferent lamellar arteriole central artery cerebellar central artery opercular artery dorsal longitudinal anastomotic vessel primary head sinus posterior cerebral vein rostral blood island dorsal ciliary vein dorsal longitudinal vein optic vein parachordal vessel supraintestinal artery supraintestinal vein anterior lateral mesoderm optic artery primitive prosencephalic artery prosencephalic artery palatocerebral artery communicating vessel palatocerebral artery anterior mesencephalic central artery nasal ciliary artery inner optic circle median palatocerebral vein palatocerebral vein bulbus arteriosus outer layer bulbus arteriosus middle layer bulbus arteriosus inner layer endocardial ring atrioventricular ring central cardiac conduction system peripheral cardiac conduction system middle mesencephalic central artery posterior mesencephalic central artery anterior mesenteric artery dorsal branch nasal ciliary artery ventral branch nasal ciliary artery metencephalic artery nasal artery pectoral vein posterior mesenteric artery swim bladder artery nasal vein caudal fin vasculature central ray artery ray vein intervessel commissure interray vessel presumptive median fin fold presumptive ventral fin fold presumptive dorsal fin fold longitudinal lateral lymphatic vessel dorsal lateral line neuromast middle lateral line system primary posterior lateral line primordium secondary posterior lateral line primordium anterior lateral line primordium middle lateral line primordium barbel primordium middle lateral line placode dorsal axial hypoblast intestinal bulb epithelium primary dental epithelium ampullary nerve distal epidermal cap of regenerating fin/limb basal regeneration epithelium of regenerating fin/limb extrahepatic duct ventral liver lobe choroid plexus vascular circuit larval melanophore stripe dorsal larval melanophore stripe ventral larval melanophore stripe lateral larval melanophore stripe yolk larval melanophore stripe median fin radial bone protoneuromast inter-parietal joint trans-choroid plexus branch intervillus pockets continuous capillary fenestrated capillary supraoccipital-parietal joint hyomandibula-opercle joint pterotic fossa erector muscle preopercle horizontal limb-symplectic joint hypophyseal fenestra depressor muscle immature gonad intestinal mucosal muscle hyomandibular foramen inclinator muscle preopercle vertical limb-hyomandibula joint enteric circular muscle distal late tubule axial blood vessel caudal fin lymph vessel caudal fin blood vessel pronephric glomerular capsule epithelium fin fold pectoral fin bud pectoral fin fold intersegmental lymph vessel dorsal longitudinal lymphatic vessel posterior recess nucleus of the lateral recess nucleus of the posterior recess medial longitudinal catecholaminergic tract endohypothalamic tract preopticohypothalamic tract extrapancreatic duct dorsal fin pterygiophore 2 dorsal fin pterygiophore 3 dorsal fin pterygiophore 4 dorsal fin pterygiophore 5 dorsal fin pterygiophore 6 dorsal fin pterygiophore 7 dorsal fin pterygiophore 8 dorsal fin distal radial bone 1 dorsal fin distal radial bone 2 dorsal fin distal radial bone 3 dorsal fin distal radial bone 4 dorsal fin distal radial bone 5 dorsal fin distal radial bone 6 dorsal fin distal radial bone 7 dorsal fin distal radial bone 8 dorsal fin proximal radial bone 3 dorsal fin proximal radial bone 4 dorsal fin proximal radial bone 5 dorsal fin proximal radial bone 6 dorsal fin proximal radial bone 7 dorsal fin proximal radial bone 8 pars superior ear pars inferior ear common crus transverse canal inner ear foramen sacculoagenar foramen dorso-rostral cluster ventro-rostral cluster ventro-caudal cluster epiphysial cluster hemal prezygapophysis ventral intermandibularis anterior lateral forebrain bundle preplacodal ectoderm anterior presumptive neural plate posterior presumptive neural plate posterior neural keel anterior neural keel midbrain neural keel forebrain neural keel forebrain midbrain boundary neural keel spinal cord neural keel hindbrain neural keel posterior neural rod anterior neural rod midbrain neural rod forebrain midbrain boundary neural rod forebrain neural rod spinal cord neural rod hindbrain neural rod forebrain midbrain boundary neural tube forebrain neural tube spinal cord neural tube hindbrain neural tube midbrain hindbrain boundary neural keel midbrain hindbrain boundary neural rod midbrain hindbrain boundary neural tube ventral intermandibularis posterior constrictor dorsalis ventral interhyoideus hyohyoideus dorsal adductor hyomandibulae pillar of the anterior semicircular canal pillar of the lateral semicircular canal neurogenic field dorsolateral field epibranchial field olfactory field anal fin proximal radial element radial element pelvic fin radial element basipterygium element anal fin distal radial element dorsal fin distal radial element dorsal fin proximal radial element pelvic fin distal radial element 2 pelvic fin distal radial element 3 pelvic fin distal radial element 1 pectoral fin radial element pectoral fin proximal radial element pectoral fin distal radial element anal fin radial element dorsal fin radial element dorsal fin proximal radial element 1 dorsal fin proximal radial element 2 median fin radial element dorsal fin distal radial element 1 dorsal fin distal radial element 2 dorsal fin distal radial element 3 dorsal fin distal radial element 4 dorsal fin distal radial element 5 dorsal fin distal radial element 6 dorsal fin distal radial element 7 dorsal fin distal radial element 8 dorsal fin proximal radial element 3 dorsal fin proximal radial element 4 dorsal fin proximal radial element 5 dorsal fin proximal radial element 6 dorsal fin proximal radial element 7 dorsal fin proximal radial element 8 anal fin proximal radial cartilage radial cartilage anal fin distal radial cartilage dorsal fin distal radial cartilage dorsal fin proximal radial cartilage pelvic fin distal radial cartilage 2 pelvic fin distal radial cartilage 3 pelvic fin distal radial cartilage 1 pectoral fin radial cartilage pectoral fin proximal radial cartilage pectoral fin distal radial cartilage anal fin radial cartilage dorsal fin radial cartilage dorsal fin proximal radial cartilage 1 dorsal fin proximal radial cartilage 2 median fin radial cartilage dorsal fin distal radial cartilage 1 dorsal fin distal radial cartilage 2 dorsal fin distal radial cartilage 3 dorsal fin distal radial cartilage 4 dorsal fin distal radial cartilage 5 dorsal fin distal radial cartilage 6 dorsal fin distal radial cartilage 7 dorsal fin distal radial cartilage 8 dorsal fin proximal radial cartilage 3 dorsal fin proximal radial cartilage 4 dorsal fin proximal radial cartilage 5 dorsal fin proximal radial cartilage 6 dorsal fin proximal radial cartilage 7 dorsal fin proximal radial cartilage 8 alary cartilage alary process of premaxilla alveolar foramen angulosplenial coronoid process anterior maxillary process anterior nasal wall anterior process of pars palatina of maxilla anterior ramus of pterygoid antorbital process basimandibulare braincase and auditory apparatus braincase and otic capsule skeleton capsular process cartilago ectochoanalis cartilago infranarina cartilago retronarina crista contacta crista dentalis of maxilla crista dentalis of premaxilla crista intermedia crista lateralis of premaxilla crista subnasalis crista supraorbitalis dilatatio alaris extremitas anterior flange of quadratojugal inferior prenasal cartilage infrarostral cartilage lamella alaris lamina anterior of pars facialis lamina precerebralis lamina superior margo mandibularis of pterygoid margo orbitalis of maxilla margo orbitalis of pterygoid margo orbitalis of squamosal margo tympanicus of pterygoid maxillopalatine medial inferior prenasal cartilage medial ramus of pterygoid median prenasal process nasopremaxilla oblique cartilage otic plate of pterygoid otic ramus of squamosal palatine process of the pars facialis of the maxilla paranasal commissure cultriform process subotic alae paries nasi pars articularis of mandibular arch pars facialis of maxilla pars facialis of maxillopalatine pars media plectri planum antorbitale planum conchale planum internasale planum terminale planum triangulare plectral apparatus posterior condyle posterior maxillary process posterior maxillary process dorsal process posterior mental process posterior ramus of pterygoid posterolateral vomerine process postnasal wall prearticular coronoid process preorbital process of the pars facialis of the maxilla processus infrafenestralis processus internus of pseudoangular processus lingualis of pterygoid processus posterior of maxilla processus pterygoideus of maxilla processus suprafenestralis processus zygomatico-maxillaris pseudoangular pseudodentary pseudodentary tooth recessus marsupiatus of premaxilla recessus vaginiformis retroarticular process rostral process seydels palatal process skeletal support for eminentia olfactoria solum nasi stylus of pars media plectri sulcus dentalis of maxilla sulcus dentalis of premaxilla sulcus for Meckels cartilage superior prenasal cartilage tectum nasi tentacular foramen ventral ramus of squamosal vomerine canal zygomatic ramus of squamosal maxillopalatine tooth processus lingularis of nasal skeleton corpus margo libera crista interna anterior process of vomer processus frontalis of maxilla lamina anterior of maxilla fossa maxillaris pars glenoidalis of quadratojugal pars jugalis processus dorsalis of lamella alaris processus posterodorsalis of lamella alaris dentigerous process prechoanal process postchoanal process margo choanalis crista vomeri processus posterior of parasphenoid external integument structure angulosplenial head external integument structure body external integument structure limb external integument structure tail external integument structure suprarostral cartilage orbital cartilages trabecular horn lacrimal vasculature of respiratory integument triangular process lateral line nucleus anterior prenasal cartilage occipital segment mineralized skeletal tissue ossified tendon median fin anal fin caudal fin anal fin skeleton caudal fin skeleton dorsal fin skeleton median fin skeleton lepidotrichium pelvic fin lepidotrichium caudal fin lepidotrichium pectoral fin lepidotrichium anal fin lepidotrichium dorsal fin lepidotrichium skeletal element projection articular surface parasphenoid flange inner digits of foot attachment site cotyla ethomosphenoid region inner digits of hand neck of humerus incisor process surface of bone palatine prong epipleural series paired fin radial skeleton rostrodermethmoid antorbital cartilage supraneural element supraneural cartilage bony fin ray propterygium element propterygium bone mesocoracoid element ventral limb of posttemporal lateral ethmoid element dorsal fin ray pelvic fin ray nuchal crest anal fin radial skeleton gill membrane claustrum element supraneural 2 element supraneural 3 element supraneural 5 element supraneural 6 element supraneural 7 element supraneural 8 element supraneural 9 element precaudal vertebra precaudal vertebra endochondral element forelimb bud mesenchyme hindlimb bud mesenchyme lateral occipital foramen fin ray elastoidin fin ray fin radial skeleton pectoral fin radial skeleton pelvic fin radial skeleton paired fin lepidotrichium anal fin ray pectoral fin ray median fin lepidotrichium manual digit 1 plus metapodial segment pedal digit plus metapodial segment manual digit plus metapodial segment digit plus metapodial segment manual digit 2 plus metapodial segment manual digit 3 plus metapodial segment manual digit 4 plus metapodial segment manual digit 5 plus metapodial segment pedal digit 1 plus metapodial segment pedal digit 2 plus metapodial segment pedal digit 3 plus metapodial segment pedal digit 4 plus metapodial segment pedal digit 5 plus metapodial segment digit 1 plus metapodial segment digit 2 plus metapodial segment digit 3 plus metapodial segment digit 4 plus metapodial segment digit 5 plus metapodial segment manual digit 1 digitopodial skeleton pedal digit digitopodial skeleton manual digit digitopodial skeleton individual digit of digitopodial skeleton manual digit 2 digitopodial skeleton manual digit 3 digitopodial skeleton manual digit 4 digitopodial skeleton manual digit 5 digitopodial skeleton pedal digit 1 digitopodial skeleton pedal digit 2 digitopodial skeleton pedal digit 3 digitopodial skeleton pedal digit 4 digitopodial skeleton pedal digit 5 digitopodial skeleton digit 1 digitopodial skeleton digit 2 digitopodial skeleton digit 3 digitopodial skeleton digit 4 digitopodial skeleton digit 5 digitopodial skeleton tagma head segment embryonic tagma embryonic segment embryonic head segment larval tagma larval segment larval head larval head segment larval sense organ adult tagma adult segment insect adult head adult head segment segment of antenna segment of leg embryonic/larval sensillum embryonic/larval head sensillum embryonic/larval head sense organ anterior-posterior subdivision of organism obsolete otic capsule endochondral element obsolete pars palatina of premaxilla obsolete neuromuscular junction obsolete pars palatina of maxilla obsolete pars dentalis of premaxilla obsolete pars dentalis of maxilla obsolete palatine process of pars palatina of premaxilla obsolete podocyte foot process