title: 5-Hydroxytryptamine-containing enterochromaffin cells: storage site of substance P.
mesh_terms: D002838:Chromaffin System / Q000378:metabolism*; D004759:Enterochromaffin Cells / Q000378:metabolism*; D006651:Histocytochemistry; D006801:Humans; D012701:Serotonin / Q000378:metabolism*; D013373:Substance P / Q000378:metabolism*
chemical_list: D012701:Serotonin; D013373:Substance P