The internal anal sphincter, IAS, (or sphincter ani internus) is a muscular ring that surrounds about – cm of the anal canal; its inferior border is in. Anatomy Anal Canal. What is the function of the anal The internal anal sphincter is the thickened downward continuation of the inner. Anal fissure is a common and painful disorder. Its relation to hypertonic anal sphincter is controversial. The most common surgical treatment of chronic anal fissure.
Colles' fascia in scrotum and penis: Long term results of open and closed sphincterotomy for anal fissure. It's not as simple as dropping the -et. Your version of Internet Explorer does not fully support the features of this site. Anal stenosis, also known as an anal stricture, is the narrowing of the anal canal, located just before the anal sphincter.