puborectalis musclemedical dictionary

<anatomy> The medial part of the musculus levator ani (pubococcygeus muscle) that passes from the body of the pubis around the anus to form a muscular sling at the level of the anorectal junction; it contracts to increase the perineal flexure during a peristalsis to maintain faecal continence and relaxes to allow defecation.

Synonyms: musculus puborectalis, Braune's muscle, puborectal muscle.

(05 Mar 2000)