title: Development of serotonergic neurons in the chick duodenum.
mesh_terms: D000320:Adrenergic Fibers / Q000378:metabolism; D000818:Animals; D001345:Autoradiography; D002642:Chick Embryo; D004386:Duodenum / Q000196:embryology / Q000294:innervation* / Q000378:metabolism; D009197:Myenteric Plexus / Q000196:embryology / Q000648:ultrastructure; D012701:Serotonin / Q000378:metabolism*
chemical_list: D012701:Serotonin