Obturator crest
Encyclopedia
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
.
Superior pubic ramus
The superior pubic ramus is a part of the pubic bone which forms a portion of the obturator foramen.It extends from the body to the median plane where it articulates with its fellow of the opposite side...
presents a sharp margin, the obturator crest, which forms part of the circumference of the obturator foramen
Obturator foramen
The obturator foramen is the hole created by the ischium and pubis bones of the pelvis through which nerves and muscles pass.- General structure :...
superiorly and affords attachment to the obturator membrane
Obturator membrane
The obturator membrane is a thin fibrous sheet, which almost completely closes the obturator foramen.Its fibers are arranged in interlacing bundles mainly transverse in direction; the uppermost bundle is attached to the obturator tubercles and completes the obturator canal for the passage of the...
.
The obturator crest extends from the pubic tubercle
Pubic tubercle
The pubic tubercle is a prominent forward-projecting tubercle on the upper border of the medial portion of the superior ramus of the pubis...
to the acetabular notch
Acetabular notch
The acetabulum presents below a deep notch, the acetabular notch, which is continuous with a circular non-articular depression, the acetabular fossa, at the bottom of the cavity: this depression is perforated by numerous apertures, and lodges a mass of fat....
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