external anal sphincter
Sign in to saveAlso known as sphincter ani externus muscle, external anal sphincter muscle
flat plane of skeletal muscle fibers, elliptical in shape and intimately adherent to the skin surrounding the margin of the anus
Also known as sphincter ani externus muscle, external anal sphincter muscle
flat plane of skeletal muscle fibers, elliptical in shape and intimately adherent to the skin surrounding the margin of the anus