Medical Definition of Atresia, anal

Atresia, anal: Congenital absence of an opening at the bottom end of the intestinal tract. Also called imperforate anus. Occurs in about 1 in 5,000 births. It is corrected by surgery.

Atresia refers to the absence of a normal opening.

QUESTION

Pancreatitis is inflammation of an organ in the abdomen called the pancreas. See Answer

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Reviewed on 9/7/2018