Choroid plexus and paraphysis in lower vertebrates.
D000663:Amphibians; D000717:Anatomy, Comparative; D000818:Animals; D002831:Choroid Plexus / Q000166:cytology*; D004847:Epithelial Cells; D006651:Histocytochemistry; D012104:Reptiles; D012754:Sharks; D013687:Telencephalon / Q000166:cytology*; D014562:Caudata