These folds of the rectouterine excavation are named the sacrogenital or rectouterine folds. They contain a considerable amount of fibrous tissue and non-striped muscular fibers which are attached to the front of the sacrum and constitute the uterosacral ligaments. [ http://en.wikipedia.org/wiki/Recto-uterine_fold ]
Synonyms: recto-uterine fold posterior ligament of uterus fold of Douglas plica rectouterina rectovaginal fold