doctor with human colon anatomy model. colonic disease, large intestine, colorectal cancer, ulcerative colitis, diverticulitis,

adhesions anatomy appendicitis ascending bacterial bowel cancer colitis colon colonic colorectal crohn day descending digestion digestive disease diverticulitis diverticulosis doctor education enteritis gastroenterologist gastrointestinal health healthcare hospital human illness infections insurance internal intestine irritable large march medical model pathology polyp rectum science sigmoid spastic syndrome system transverse tumor ulcerative world