Definition of Anal atresia
Anal atresia: 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 here 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
eMedicineHealth Top News
Digestive Disorders Resources
- How to Deal With Side Effects of Medication
- Is It Okay to Take a Stool Softener Every Day?
- The Truth About Food Allergies