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Greater sciatic forame

Greater sciatic foramen
Greater sciatic foramen.png
The pelvis showing the greater sciatic foramen in red.
Details
Identifiers
Latin foramen ischiadicum majus
TA A03.6.03.008
FMA 17031
Anatomical terminology
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The greater sciatic foramen is an opening () at the back of the human pelvis. It is formed by the sacrotuberous and sacrospinous ligaments. The piriformis muscle passes through the foramen and occupies most of its volume. The greater sciatic foramen is wider in women than in men.

It is bounded as follows:

The piriformis, which exits the pelvis through the foramen, occupies most of its volume.

The following structures also exit the pelvis through the greater sciatic foramen:

The foramen contains:

This article incorporates text in the public domain from page 309 of the 20th edition of Gray's Anatomy (1918)


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