Our Anal Fissure Main Article provides a comprehensive look at the who, what, when and how of Anal Fissure
Definition of Anal fissure
Anal fissure: A tear in the anal canal, one of the most common causes of red blood in the stool.
Last Editorial Review: 3/19/2012
Back to MedTerms online medical dictionary A-Z List
Need help identifying pills and medications?