title: The cytochemistry and ultrastructure of polypeptide hormone-producing cells of the APUD series and the embryologic, physiologic and pathologic implications of the concept.
mesh_terms: D006916:5-Hydroxytryptophan / Q000378:metabolism; D001078:APUD Cells / Q000737:chemistry* / Q000378:metabolism / Q000648:ultrastructure; D000828:Animal Population Groups; D004295:Dihydroxyphenylalanine / Q000378:metabolism; D006651:Histocytochemistry; D006801:Humans; D008854:Microscopy, Electron; D009377:Multiple Endocrine Neoplasia / Q000209:etiology / Q000473:pathology; D009432:Neural Crest / Q000166:cytology / Q000196:embryology; D009384:Paraneoplastic Endocrine Syndromes / Q000209:etiology / Q000473:pathology; D013194:Staining and Labeling
chemical_list: D004295:Dihydroxyphenylalanine; D006916:5-Hydroxytryptophan