Enterochromaffin Cells

**Definition:** A subtype of enteroendocrine cells found in the gastrointestinal MUCOSA, particularly in the glands of PYLORIC ANTRUM; DUODENUM; and ILEUM. These cells secrete mainly SEROTONIN and some neuropeptides. Their secretory granules stain readily with silver (argentaffin stain).

**Tree numbers:** - A03.556.875.875.440.250 - A06.224.358 - A06.390.021 - A10.615.550.291.162 - A11.382.625.031 - A11.436.294.031 - A15.382.250

**Synonyms:** - Argentaffin Cells - 5-HT-Containing Enterochromaffin Cells - Serotonin-Containing Enterochromaffin Cells