Greater sciatic foramen

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Greater sciatic foramen
Greater sciatic foramen.png
Articulations of pelvis, anterior view, with greater sciatic foramen (labeled in red) and its boundaries.
Piriformis muscle.PNG
Muscles of the gluteal and posterior femoral regions, piriformis labeled
Latin foramen ischiadicum majus
Gray's p.309
sciatic foramen
Anatomical terminology

The greater sciatic foramen is a major foramen of the human pelvis.


It is bounded as follows:

Function Of Greater sciatic foramen[edit]

The piriformis, which exits the pelvis through the Greater sciatic foramen, occupies most of the foramen.

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

Location Name Vessels Nerves
Above the Piriformis suprapiriform foramen[1] superior gluteal vessels superior gluteal nerve
Below the Piriformis infrapiriform foramen[1] inferior gluteal vessels
internal pudendal vessels
inferior gluteal nerve
pudendal nerve
sciatic nerve
posterior femoral cutaneous nerve
Nerve to obturator internus
Nerve to quadratus femoris

The structures contained within the foramen are represented by a mnemnoic.

Society and culture[edit]

Additional images[edit]

See also[edit]

This article uses anatomical terminology; for an overview, see anatomical terminology.


  1. ^ a b Yokochi, Chihiro; Rohen, Johannes W.. Color Atlas of Anatomy: A Photographic Study of the Human Body. Hagerstown, MD: Lippincott Williams & Wilkins. p. 482. ISBN 0-7817-9013-1. 

External links[edit]

This article incorporates text from a public domain edition of Gray's Anatomy.