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Pararectal fossa

From Wikipedia, the free encyclopedia
Pararectal fossa
The peritoneum of the male pelvis. (Pararectal fossa visible at center left.)
Female pelvis and its contents, seen from above and in front. (Pararectal fossa labeled at bottom left.)
Details
Identifiers
Latinfossa pararectalis
TA98A10.1.02.514
TA23728
FMA19749
Anatomical terminology

The pararectal fossa (or pararectal pouch) is an inferior-ward extension of the peritoneum on either side of the rectum. It is formed by a (sacrogenital) fold of peritoneum extending inferior-ward from the posterolateral pelvic wall. It represents a lateral extension of the rectouterine pouch in the female, and of rectovesical pouch in the male.[1] It varies in size with the distension of the rectum.[citation needed]

In females, the pararectal fossae often represent the inferior-most portion of the peritoneal cavity (sometimes, the inferior-most portion is instead rectouterine pouch).[2]

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  • Anatomy photo:43:02-0402 at the SUNY Downstate Medical Center - "The Female Pelvis: Distribution of the Peritoneum in the Female Pelvis"

References

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  1. ^ "pararectal fossa". TheFreeDictionary.com. Retrieved 2023-06-22.
  2. ^ Moore, Keith L.; Dalley, Arthur F.; Agur, Anne M. R. (2017). Essential Clinical Anatomy. Lippincott Williams & Wilkins. p. 570. ISBN 978-1496347213.

Public domain This article incorporates text in the public domain from page 1154 of the 20th edition of Gray's Anatomy (1918)