Greater sciatic foramen

Part of the pelvis From Wikipedia, the free encyclopedia

Greater sciatic foramen

The greater sciatic foramen is an opening (foramen) in the posterior 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.

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Greater sciatic foramen
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The pelvis showing the greater sciatic foramen in red
Details
Identifiers
Latinforamen ischiadicum majus
TA98A03.6.03.008
TA21316
FMA17031
Anatomical terminology
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Structure

It is bounded as follows:

Function

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:[2]

See also

References

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