title: Histology and ultrastructure of the neurohypophysis of the South American lungfish, Lepidosiren paradoxa.
mesh_terms: D000818:Animals; D001369:Axons / Q000032:analysis / Q000166:cytology; D002395:Catecholamines / Q000032:analysis; D002462:Cell Membrane; D004805:Ependyma / Q000166:cytology; D005399:Fishes / Q000033:anatomy & histology*; D006651:Histocytochemistry; D008854:Microscopy, Electron; D009411:Nerve Endings / Q000166:cytology; D010904:Pituitary Gland, Posterior / Q000166:cytology*
chemical_list: D002395:Catecholamines