St. Mark’s Hospital advice sheet: Sphincter Exercises for People with Bowel Control Problems The inner ring is the internal sphincter, an involuntary muscle, which
Rectum and Muscles. The external anal sphincters and internal anal sphincters surround the anal canal. The internal sphincter is a smooth muscle ring at the upper
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
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
Anal sphincter repair is an operation performed on the back passage to repair the gap in the damaged anal sphincter muscle.
The external anal sphincter is composed of skeletal muscle, is under voluntary control, (but not under anesthesia when the muscles relax).
Sphincter muscle, any of the ringlike muscles surrounding and able to contract or close a bodily passage or opening. One of the most important human sphincter muscles
The thickness of the anal sphincter muscles and the length of Normal Anal Sphincter Anatomy and Age- and Sex-related Variations at High-Spatial-Resolution
The urethral sphincter muscle (M. sphincter urethrae) in the male is one of the least understood muscles in the human body. Its inaccessibility,
The internal anal sphincter, IAS, (or sphincter ani internus) is a muscular ring that surrounds about 2.5–4.0 cm of the anal canal; its inferior border is in