Sphincter Anal

A sphincter is a circular muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological

Sphincter definition, a circular band of voluntary or involuntary muscle that encircles an orifice of the body or one of its hollow organs. See more.

Anatomie. Le trajet du canal anal est oblique en bas et en arrière. Il constitue avec le rectum un angle d’environ 80°, ouvert en arrière : le cap anal.

Anal stenosis means that the anal opening is too small or does not relax or open properly. This may be treated with surgery that enlarges the anal opening.

Definition Artificial sphincter insertion surgery is the implantation of an artificial valve in the genitourinary tract or in the anal canal to restore

The external anal sphincter (or sphincter ani externus) is a flat plane of muscular fibers, elliptical in shape and intimately adherent to the skin surrounding the

Find out whether you should be scared of your butt stretching out after anal sex.

Aug 16, 2013 · Your internal and external sphincters are muscles that wrap around your anus and help you control your bowel movements. Some people lose control of their

sphincter [sfingk´ter] a circular muscle that constricts a passage or closes a natural orifice. When relaxed, a sphincter allows materials to pass through the

a leader in theutic interventions for sphincter-related diseases, announced today the release of new data from a 415 patient, multi-institutional study, comparing