| Posterior inferior iliac spine | |
|---|---|
 Righthip 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 | |
Theposterior inferior iliac spine (Sweeney's Tubercle) is ananatomical landmark that describes a bony "spine", or projection, at theposterior and inferior surface of theiliac bone.
It is one of two such spines on the posterior surface, the other being theposterior 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.[clarification needed]
This article incorporates text in thepublic domain frompage 234 of the 20th edition ofGray's Anatomy(1918)
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