On which bone is the greater sciatic notch located on which bone is the greater sciatic notch located ABC?

Greater sciatic notchDetailsIdentifiersLatinTA98TA2FMA

Surface of the hip showing the greater sciatic notch in red.

Incisura ischiadica major

A02.5.01.009

1315

16902

Anatomical terms of bone [edit on Wikidata]

The greater sciatic notch is a notch in the ilium, one of the bones that make up the human pelvis. It lies between the posterior inferior iliac spine (above), and the ischial spine (below). The sacrospinous ligament changes this notch into an opening, the greater sciatic foramen.

The notch holds the piriformis, the superior gluteal vein and artery, and the superior gluteal nerve; the inferior gluteal vein and artery and the inferior gluteal nerve; the sciatic and posterior femoral cutaneous nerves; the internal pudendal artery and veins, and the nerves to the internal obturator and quadratus femoris muscles.

Of these, the superior gluteal vessels and nerve pass out above the piriformis, and the other structures below it.

The greater sciatic notch is wider in women (about 74.4 degrees on average) than in men (about 50.4 degrees).[1]

See also[edit]

• Greater sciatic foramen
• Lesser sciatic notch

References[edit]

1. ^ Gray's Anatomy: The Anatomical Basis of Clinical Practice.

This article incorporates text in the public domain from page 235 of the 20th edition of Gray's Anatomy (1918)

External links[edit]

Wikimedia Commons has media related to Greater sciatic notch.

• Anatomy photo:42:os-0110 at the SUNY Downstate Medical Center - The Male Perineum and the Penis: Osteology"
• Anatomy photo:44:st-0708 at the SUNY Downstate Medical Center - "The Male Pelvis: Hip Bone"

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Bones of the pelvis

GeneralIliumIschiumPubisCompound

sacrum coccyx hip bone

bodywing arcuate line gluteal linesiliac spinesother: posterior anterior inferior anterior superior anterior inferior posterior superior posterior inferior crest tuberosity tubercle fossa

bodysuperior ramusinferior ramus ischial spine lesser sciatic notch tuberosity of the ischium no substructures

body pubic crest superior ramus pubic tubercle obturator crest inferior ramus pectineal line

acetabulum acetabular notch iliopubic eminence / iliopectineal line linea terminalis ischiopubic ramus / pubic arch Foramina obturator foramen greater sciatic foramen / greater sciatic notch lesser sciatic foramen Landmarks pelvic inlet pelvic brim pelvic outlet

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Terminologia Anatomica

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