Crohn’s disease is a disease where parts of the digestive tract become inflamed.
- It most often involves the lower end of the small intestines and the beginning of the large intestine.
- It may also occur any part of the digestive system from the mouth to the end of the rectum (anus).
Crohn’s disease is a form of inflammatory bowel disease (IBD).
Ulcerative colitis is a related condition.
Source and full text: U.S. National Library of Medicine Medline Plus http://www.nlm.nih.gov/medlineplus/ency/article/000249.htm