Definition: 'Iliococcygeus (muscle)'
iliococcygeus (muscle)Type: Term
1. the posterior part of the levator ani; origin, tendinous arch of the levator ani muscle (obturator fascia); insertion, anococcygeal ligament and coccyx; action, resistance to increase intrapelvic pressure, postdefecatory elevation of anal canal.
The definition information for iliococcygeus (muscle) is provided by Stedman's. You can search our medical dictionary here.