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Ischial spine
From Wikipedia, the free encyclopedia
(Redirected from Spine of the ischium)
| Bone: Ischial spine | ||
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| Capsule of hip-joint (distended). Posterior aspect. (Spine of ischium labeled at upper left.) | ||
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| 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 | |
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.
| 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. |
 Right hip bone, external surface, showing the greater and lesser sciatic notches, separated by the ischial spine. |
 Articulations of pelvis. Anterior view. |
- SUNY Labs 41:os-0105 - "The Female Perineum: Osteology"
- SUNY Labs 44:st-0724 - "The Male Pelvis"
- Ischial+spine at eMedicine Dictionary
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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| 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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