Ischial spine explained

Ischial spine
Latin:	spina ischiadica spina ischiaca spina ischialis

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.

Structure

The pudendal nerve travels close to the ischial spine.

Clinical significance

The ischial spine can serve as a landmark in pudendal anesthesia, as the pudendal nerve lies close to the ischial spine.^[1]

Notes and References

1. Web site: Clinical Case - Perineum & External Genitalia . 2009-05-27 . https://web.archive.org/web/20110717071915/http://anatomy.med.umich.edu/reproductive_system/perineum_case.html . 2011-07-17 . dead .