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Lesser sciatic foramen

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Title: Lesser sciatic foramen  
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Subject: Pelvis, Lesser sciatic notch, Sacrospinous ligament, Pudendal nerve, Obturator internus nerve
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Lesser sciatic foramen

Lesser sciatic foramen
Image of the pelvis showing the lesser sciatic foramen.
Details
Latin Foramen ischiadicum minus
Dorlands
/Elsevier
f_12/12373178
Anatomical terminology

The lesser sciatic foramen is an opening (foramen) between the pelvis and the back of the thigh. The foramen is formed by the sacrotuberous ligament which runs between the sacrum and the ischial tuberosity and the sacrospinous ligament which runs between the sacrum and the ischial spine.

Contents

  • Structure 1
  • Function 2
  • See also 3
  • References 4
  • External links 5

Structure

The lesser sciatic foramen has the following boundaries:

Alternatively, the foramen can be defined by the boundaries of the lesser sciatic notch and the two ligaments.

Function

Pudendal nerve and its course through the lesser sciatic foramen.

The following pass through the foramen:

See also

References

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

External links

  • Anatomy photo:41:os-0111 at the SUNY Downstate Medical Center - "The Female Perineum: Osteology"
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