Abdominal pain is pain that is felt in the abdomen. The abdomen is an anatomical area that is bounded by the lower margin of the ribs and diaphragm above, the pelvic bone below, and the flanks on each side.
Occasionally, pain may be felt in the abdomen even though it is arising from organs that are close to, but not within, the abdominal cavity.
Abdominal pain is caused by inflammation (for example, appendicitis, diverticulitis, colitis ), by stretching or distention of an organ (for example, obstruction of the intestine, blockage of a bile duct by gallstones, swelling of the liver with hepatitis), or by loss of the supply of blood to an organ (for example, ischemic colitis).
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