Posterior inferior iliac spine

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Bone: Posterior inferior iliac spine
Right hip bone. External surface. (Posterior inferior spine labeled at center left.)
Latin	spina iliaca posterior inferior
Gray's	subject #57 234
Dorlands / Elsevier	s_18/12749306

The posterior border of the ala, shorter than the anterior, also presents two projections separated by a notch, the posterior superior iliac spine and the posterior inferior iliac spine. The posterior inferior iliac spine corresponds with the posterior extremity of the auricular surface.

[edit] Additional images

The posterior aspect of the rectum exposed by removing the lower part of the sacrum and the coccyx.

[edit] External links

• SUNY Labs 17:os-0108
• SUNY Labs 43:st-0212

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 As such, some of the information contained herein may be outdated.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.

v • d • e 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