<prompt> Answer this question truthfullyWhat does the term inflammatory bowel disease information mean?  <response>: <reason> Inflammatory bowel disease IBD is a group of inflammatory conditions of the large intestine and, in some cases, the small intestine.The main forms of IBD are Crohns disease and ulcerative colitis UC.Accounting for far fewer cases are other forms of IBD:Collagenous colitis Lymphocytic colitis Ischaemic colitis Diversion colitis Behçets syndrome Infective colitis Indeterminate colitisThe main difference between Crohns disease and UC is the location and nature of the inflammatory changes. Crohns can affect any part of the gastrointestinal tract, from mouth to anus skip lesions, although a majority of the cases start in the terminal ileum. Ulcerative colitis, in contrast, is restricted to the colon and the anus. Microscopically, ulcerative colitis is restricted to the mucosa epithelial lining of the gut, while Crohns disease affects the whole bowel wall.Finally, Crohns disease and ulcerative colitis present with extra-intestinal manifestations such as liver problems, arthritis, skin manifestations and eye problems in different proportions.In rare cases, patients have been diagnosed with both Crohns disease and ulcerative colitis, which is really called Crohns colitis. 