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What are inflammatory bowel diseases?

These are disorders where the bowel becomes red and inflamed. In ulcerative colitis the lining of the large bowel is involved. In Crohn’s disease (named after an American physician) any part of the digestive tract can be affected and the full thickness of the bowel wall can become inflamed. Crohn’s disease, when it affects the colon and ..read more

The function of the human arm is to allow placement of the hand in useful positions so the hands can perform activities where the eyes can see them. Because of the huge range of positions required the shoulder is very flexible with a large motion range, but this is at the expense of some reduced strength and greatly reduced stability. A ..read more