Carcinoid tumor 2010-12-21T04:57:15Z Carcinoid tumour SNOMEDCT_US:189607006 HP:0100570 SNOMEDCT_US:443492008 A tumor formed from the endocrine (argentaffin) cells of the mucosal lining of a variety of organs including the stomach and intestine. These cells are from neuroectodermal origin. Carcinoid tumours UMLS:C0007095 Carcinoid Carcinoid tumors Neuroendocrine neoplasm