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Iliac tuberosity

Other Terms: Tuberosity, Tuberositas iliaca, Tubérosité iliaque

Description

This is the rough surface of bone on the posterior sacropelvic surface of the iliac ala. It is bordered superiorly by the posterior iliac crest, anteriorly by the iliac fossa, and inferiorly by the auricular surface for the sacrum. It provides attachment for iliac ligaments and the multifidus muscle.

Etymology

Tuberosity derives from the Latin term tuber meaning a lump. The -osity ending denotes many or to be full of something. The term then literally translates as, having lots of lumps.

Latin

Tuberositas iliaca

French

Tubérosité iliaque

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