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
- Could Your Symptoms Be Lactose Intolerance?
- How to Save Money on Health Care
- Heartburn & Indigestion: Expert Answers
- Symptoms of a Severe Allergic Reaction
- Breast Cancer Treatment Options
- Is Your Body Ready for Pregnancy?