Ischial spine
| Ischial spine | |
|---|---|
 Capsule of hip-joint (distended). Posterior aspect. (Spine of ischium labeled at upper left.) | |
 Left hip-joint, opened by removing the floor of the acetabulum from within the pelvis. (Spine of ischium labeled at center left.) | |
| Details | |
| Identifiers | |
| Latin |
Spina ischiadica Spina ischiaca Spina ischialis |
| Dorlands /Elsevier | s_18/12749322 |
| TA | A02.5.01.205 |
| FMA | 17028 |
From the posterior border of the body of the Ischium there extends backward a thin and pointed triangular eminence, the ischial spine, more or less elongated in different subjects.
Surfaces
| external surface | gives attachment to the Gemellus superior |
| internal surface | gives attachment to the Coccygeus, Levator ani, and the pelvic fascia |
| pointed extremity | the sacrospinous ligament is attached. |
Clinical Significance
It can serve as a landmark in pudendal anesthesia.[1]
Additional images
-
Right hip bone, external surface, showing the greater and lesser sciatic notches, separated by the ischial spine.
-
Articulations of pelvis. Anterior view.
-
PELVIS. ANTERIOR VIEW.
References
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
- ↑ "Clinical Case - Perineum & External Genitalia". Retrieved 2009-05-27.
External links
- Anatomy photo:41:os-0105 at the SUNY Downstate Medical Center - "The Female Perineum: Osteology"
- Anatomy photo:44:st-0724 at the SUNY Downstate Medical Center - "The Male Pelvis"
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