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Ischium (bone)
From Wikipedia, the free encyclopedia
(Redirected from Ischial ramus)
| Bone: Ischium of pelvis | ||
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| Pelvic girdle | ||
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| Left hip-joint, opened by removing the floor of the acetabulum from within the pelvis. (Ischium labeled at bottom left.) | ||
| Latin | os ischii | |
| Gray's | subject #57 234 | |
| MeSH | Ischium | |
| Dorlands/Elsevier | o_07/12598437 | |
The ischium forms the lower and back part of the hip bone. It is situated below the ilium. The word comes from the Greek ischion, meaning "hip." (Taber's, 1985)
It is divisible into three portions:
- SUNY Labs 44:st-0722 - "The Male Pelvis: Hip Bone"
- ischium at eMedicine Dictionary
- Cross section at UV pelvis/pelvis-e12-15
 Right hip bone. External surface. |
 Right hip bone. Internal surface. |
 Plan of ossification of the hip bone. |
 Male pelvis. |
 The Obturator externus. |
 Pelvis |
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 As such, some of the information contained herein may be outdated.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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This musculoskeletal system article is a stub. You can help Wikipedia by expanding it. |
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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 |