Mammalian enterochromaffin cells as the source of serotonin (5-hydroxytryptamine).
D000818:Animals; D004759:Enterochromaffin Cells; D006801:Humans; D007422:Intestines / Q000502:physiology*; D008322:Mammals; D012701:Serotonin / Q000502:physiology*
D012701:Serotonin
INTESTINES/physiology; SEROTONIN/physiology