title: The localization of 5-hydroxytryptamine in chromaffin cells of the leech body wall.
mesh_terms: D000042:Absorption; D000818:Animals; D001345:Autoradiography; D001369:Axons / Q000032:analysis*; D002838:Chromaffin System / Q000166:cytology* / Q000648:ultrastructure; D003238:Connective Tissue / Q000648:ultrastructure; D003239:Connective Tissue Cells; D006651:Histocytochemistry; D007865:Leeches / Q000033:anatomy & histology*; D008854:Microscopy, Electron; D009132:Muscles / Q000166:cytology; D009411:Nerve Endings / Q000032:analysis; D012701:Serotonin / Q000032:analysis / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D014316:Tritium; D012701:Serotonin