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| Bone: Body of ischium | |
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| Right hip bone. External surface. (Ischium is at bottom left.) | |
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| Capsule of hip-joint (distended). Posterior aspect. | |
| Latin | corpus ossis ischii |
| Gray's | subject #57 235 |
The body of the ischium enters into and constitutes a little more than two-fifths of the acetabulum.
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Surfaces
Its external surface forms part of the lunate surface of the acetabulum and a portion of the acetabular fossa.
Its internal surface is part of the wall of the lesser pelvis; it gives origin to some fibers of the Obturator internus.
Borders
Its anterior border projects as the posterior obturator tubercle.
From its posterior border there extends backward a thin and pointed triangular eminence, the ischial spine, more or less elongated in different subjects.
Above and below the spine
Above the spine is a large notch, the greater sciatic notch.
Below the spine is a smaller notch, the lesser sciatic notch.
Additional images
 Right hip bone. Internal surface. |
 Left hip-joint, opened by removing the floor of the acetabulum from within the pelvis. |
External links
- SUNY Labs 44:st-0723 - "The Male Pelvis: Hip Bone"
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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Wikipedia content modification information:
- This page was last modified on 24 June 2008, at 12:48.
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