Crohns Disease Dictionary
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fistula: An abnormal channel that connects two parts of the body. In Crohn's disease, fistulas are usually caused when the infection in an ulcer tunnels through the lining of the intestine, allowing the infection to spread to new sites in the body.
gallstones: Crystals or deposits that form in the gallbladder or in the ducts that drain the gallbladder.
gastritis: The inflammation of the stomach, often caused by infection.
hyperalimentation: The intravenous administration of nutrients and vitamins in liquid form.
ileitis: Inflammation in the ileum (the last segment of the intestine).
ileum: The terminal end of the small intestine, situated between the jejunum (the central part of the small intestine) and the cecum (the beginning of the large intestine).
immune response: The response of the body's defenses to a possible pathogen, such as a virus or bacterium.
immune system suppressant: A drug that acts to prevent the immune system from responding, with the consequent effect of reducing inflammation.
inflammation: The accumulation of fluids in tissue, leading to swelling, redness and discomfort. Inflammation often results from injury or infection.
inflammatory bowel disease (IBD): A group of diseases in which the intestines become inflamed. The main two types are Crohn's disease and ulcerative colitis.
irritable bowel syndrome (IBS): A disorder with symptoms similar to Crohn's disease, such as abdominal pain, bloating and diarrhea. Unlike Crohn's disease, IBS does not damage the intestines or lead to more serious medical conditions.
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