Pudendal canal

The pudendal canal (also called Alcock's canal) is an anatomical structure in the pelvis through which the internal pudendal artery, internal pudendal veins, and the pudendal nerve pass.

Pudendal canal
Coronal section of pelvis, showing arrangement of fasciæ. Viewed from behind. (Alcock's canal labelled at bottom right.)
Pudendal nerve and its course through the pudendal canal (labelled in yellow)
Details
Identifiers
Latincanalis pudendalis
TA98A09.5.04.003
TA22436
FMA22071
Anatomical terminology

Structure

The pudendal canal is formed by the fascia of the obturator internus muscle, or obturator fascia.

It encloses the following:

These vessels and nerve cross the pelvic surface of the obturator internus.

Clinical significance

Pudendal nerve entrapment can occur when the pudendal nerve is compressed while it passes through the pudendal canal.[1]

History

The pudendal canal is also known as Alcock's canal, named after Benjamin Alcock.[2]

Additional images

See also

References

This article incorporates text in the public domain from page 421 of the 20th edition of Gray's Anatomy (1918)

  1. Chiarioni, Giuseppe; Popa, Stefan-Lucian (2020-01-01), Rao, Satish S. C.; Lee, Yeong Yeh; Ghoshal, Uday C. (eds.), "Chapter 36 - Anorectal pain", Clinical and Basic Neurogastroenterology and Motility, Academic Press, pp. 505–515, doi:10.1016/b978-0-12-813037-7.00036-4, ISBN 978-0-12-813037-7, retrieved 2021-02-08
  2. Standring, Susan (2016). Gray's anatomy : the anatomical basis of clinical practice (Forty-first ed.). [Philadelphia]. p. 87. ISBN 9780702052309.


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