Medical Definition of Anal fissure
Anal fissure: A tear in the anal canal, one of the most common causes of red blood in the stool.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 5/13/2016
Medical Dictionary Definitions A - Z
Search Medical Dictionary
Digestive Disorders Resources
- Tummy Troubles a Sign of Uveitis?
- What is Castleman Disease?
- Your Treatment Options for Constipation