word mesh match name chebi TCDD NA TCDD 2,3,7,8-tetrachlorooxanthrene chebi:28119 Nucleus NA nucleus nucleus chebi:33252 Arachidonic acid NA ARACHIDONIC ACID (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoic acid chebi:15843 Prostaglandin NA prostaglandin prostaglandins chebi:26333