JOHN BAVOSI / SCIENCE PHOTO LIBRARY JOHN BAVOSI / SCIENCE PHOTO LIBRARY
Crohn's disease and ulcerative colitis. Artwork of the human digestive tract, showing Crohn's disease and ulcerative colitis. At top is the stomach; the small intestine is at centre, leading to the large intestine (colon). The small intestine is cut open to show Crohn's disease, which often occurs near the junction of the large intestine. Crohn's disease produces inflammation and abscesses on the small intestine wall. On the right, the colon is affected by ulcerative colitis. This produces areas of inflammation and ulceration. Symptoms of both disorders include diarrhoea, abdominal pain and blood loss. The causes are unknown. Treatment includes corticosteroid drugs & sometimes surgery.
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