Posterior inferior iliac spine
| Posterior inferior iliac spine | |
|---|---|
 Right hip bone. External surface. (Posterior inferior spine labeled at center left.) | |
| Details | |
| Identifiers | |
| Latin | spina iliaca posterior inferior |
| TA98 | A02.5.01.114 |
| TA2 | 1330 |
| FMA | 63615 |
| Anatomical terms of bone | |
The posterior inferior iliac spine (Sweeney's Tubercle) is an anatomical landmark that describes a bony "spine", or projection, at the posterior and inferior surface of the iliac bone.
It is one of two such spines on the posterior surface, the other being the posterior superior iliac spine. These two spines are separated by a bony notch. They appear as two dimples in the skin, at the level of the lower back.
The posterior inferior iliac spine corresponds with the posterior extremity of the auricular surface.
Additional images
The posterior aspect of the rectum exposed by removing the lower part of the sacrum and the coccyx.
References
This article incorporates text in the public domain from page 234 of the 20th edition of Gray's Anatomy (1918)
External links
- Anatomy photo:17:os-0108 at the SUNY Downstate Medical Center
- Anatomy photo:43:st-0212 at the SUNY Downstate Medical Center
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