Medical Definition of Elevator muscle of anus
1.
Formed by pubococcygeus and iliococcygeus muscles; origin, posterior body of pubis, tendinous arch of the levator ani, and spine of ischium; insertion, anococcygeal ligament, sides of the lower part of the sacrum and of coccyx; action, resists prolapsing forces and draws the anus upward following defecation; supports the pelvic viscera; nerve supply, nerve to levator ani (fourth sacral spinal nerve).
Synonym: musculus levator ani, elevator muscle of anus.
(05 Mar 2000)
Lexicographical Neighbors of Elevator Muscle Of Anus
Other Resources:
