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(anatomy) The group of fibers that form a sling for the rectum, forming part of the levator ani. quotations examples
While standing or sitting, the puborectalis helps to keep us continent by cinching our bowel closed.
2018 November 30, Alex Blasdel, The Guardian
To maintain continence, the puborectalis muscle chokes the anal canal. The sling of tissue is supposed to release during defecation. Mine has not been doing that.
2022 October 2, Cara Schacter, “My Year of Stress and Constipation”, in The New York Times