Posterior inferior iliac spine

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Posterior inferior iliac spine
Right hip bone. External surface. (Posterior inferior spine labeled at center left.)
Latin spina iliaca posterior inferior
Gray's p.234
Anatomical terms of bone

The posterior border of the ala (wing), 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.

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This article incorporates text from a public domain edition of Gray's Anatomy.