Puborectalis muscle

The fibers which form a sling for the rectum are named the Puborectalis.

They arise from the lower part of the pubic symphysis, and from the superior fascia of the urogenital diaphragm.

They meet with the corresponding fibers of the opposite side around the lower part of the rectum, and form for it a strong sling. Relaxation increases the angle between rectum and anus, allowing defecation in conjunction with relaxation of the internal and external anal sphincters.

单词	Musculus puborectalis
释义	Musculus puborectalis 英语百科 Puborectalis muscle The fibers which form a sling for the rectum are named the Puborectalis. They arise from the lower part of the pubic symphysis, and from the superior fascia of the urogenital diaphragm. They meet with the corresponding fibers of the opposite side around the lower part of the rectum, and form for it a strong sling. Relaxation increases the angle between rectum and anus, allowing defecation in conjunction with relaxation of the internal and external anal sphincters.
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Musculus puborectalis

Puborectalis muscle