Obturator crest

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Bone: Obturator crest
The obturator membrane.
Right hip bone. External surface.
Latin	crista obturatoria
Gray's	subject #57 236
Dorlands / Elsevier	c_62/12266776

The anterior border of superior pubic ramus presents a sharp margin, the obturator crest, which forms part of the circumference of the obturator foramen superiorly and affords attachment to the obturator membrane.

The obturator crest extends from the pubic tubercle to the acetabular notch.

v • d • e Bones of pelvis/pelvic cavity General sacrum, coccyx, hip bone Ilium Body (Arcuate line) Wing: gluteal lines (Posterior, Anterior, Inferior) - Fossa - iliac spines (Anterior superior, Anterior inferior, Posterior superior, Posterior inferior) - Crest - Tuberosity Ischium Body (Ischial spine, Lesser sciatic notch) - Superior ramus (Tuberosity of the ischium) - Inferior ramus Pubis Body - Superior ramus (Pubic tubercle, Pubic crest, Obturator crest) - Inferior ramus (Pectineal line) Compound Acetabulum (Acetabular notch) - Iliopubic eminence/Iliopectineal line - Linea terminalis - Ischiopubic ramus/Pubic arch Obturator foramen - Greater sciatic foramen/Greater sciatic notch - Lesser sciatic foramen Lesser pelvis (Pelvic inlet, Pelvic brim, Pelvic outlet) - Greater pelvis