Ischial spine
(Redirected from The ischial spines)
| Bone: 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.) | |
| Latin | s. ischialis |
| Gray's | subject #57 235 |
| Dorlands / Elsevier |
s_18/12749322 |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
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 atttachment to the Coccygeus, Levator ani, and the pelvic fascia |
| pointed extremity | the sacrospinous ligament is attached. |
Additional images
Right hip bone, external surface, showing the greater and lesser sciatic notches, separated by the ischial spine.
Articulations of pelvis. Anterior view.
External links
- SUNY Labs 41:os-0105 - "The Female Perineum: Osteology"
- SUNY Labs 44:st-0724 - "The Male Pelvis"
- Ischial+spine at eMedicine Dictionary
Bones of pelvis/pelvic cavity | |
|---|---|
| General | sacrum, coccyx, hip bone |
| Ilium | Body (Arcuate line) Wing: gluteal lines (Posterior, Anterior, Inferior) - Fossa - iliac spines (Anterior superior, Anterior inferior, Posterior superior, Posterior inferior) - Crest - Tuberosity |
| Ischium | Body (Ischial spine, Lesser sciatic notch) - Superior ramus (Tuberosity of the ischium) - Inferior ramus |
| Pubis | Body - Superior ramus (Pubic tubercle, Pubic crest, Obturator crest) - Inferior ramus (Pectineal line) |
| Compound | Acetabulum (Acetabular notch) - Iliopubic eminence/Iliopectineal line - Linea terminalis - Ischiopubic ramus/Pubic arch
Obturator foramen - Greater sciatic foramen/Greater sciatic notch - Lesser sciatic foramen Lesser pelvis (Pelvic inlet, Pelvic brim, Pelvic outlet) - Greater pelvis |
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