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Part of the posterior border of the body of the ischium bone of the pelvis From Wikipedia, the free encyclopedia
The ischial spine is part of the posterior border of the body of the ischium bone of the pelvis. It is a thin and pointed triangular eminence, more or less elongated in different subjects.
Ischial spine | |
---|---|
Details | |
Identifiers | |
Latin | spina ischiadica spina ischiaca spina ischialis |
TA98 | A02.5.01.205 |
TA2 | 1343 |
FMA | 17028 |
Anatomical terms of bone |
Part | Attachment |
---|---|
external surface | gemellus superior muscle[1] |
internal surface | coccygeus muscle,[2] levator ani muscle, pelvic fascia |
pointed extremity | sacrospinous ligament |
The pudendal nerve travels close to the ischial spine.[3]
The ischial spine can serve as a landmark in pudendal anesthesia, as the pudendal nerve lies close to the ischial spine.[3][4]
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