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.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012
Medical Dictionary Definitions A - Z
Search Medical Dictionary
Digestive Disorders Resources
- Is It Okay to Take a Stool Softener Every Day?
- 9 Questions to Ask Before Having Surgery
- Your Treatment Options for Constipation