title: Definitions of inflammatory bowel disease of unknown etiology.
mesh_terms: D003093:Colitis, Ulcerative / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology; D003106:Colon / Q000473:pathology; D003424:Crohn Disease / Q000000981:diagnostic imaging; D006099:Granuloma / Q000473:pathology; D006801:Humans; D007079:Ileitis / Q000473:pathology; D007410:Intestinal Diseases; D007413:Intestinal Mucosa / Q000473:pathology; D007417:Intestinal Polyps; D007421:Intestine, Small / Q000473:pathology; D011349:Proctitis / Q000175:diagnosis / Q000000981:diagnostic imaging; D011351:Proctoscopy; D011859:Radiography; D012007:Rectum / Q000473:pathology; D009626:Terminology as Topic; D014456:Ulcer / Q000473:pathology