Posterior superior iliac spine

Definition

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 superior iliac spine serves for the attachment of the oblique portion of the posterior sacroiliac ligaments and the Multifidus.

Also known as posterior superior iliac spine (volume) — per UBERON

The Posterior superior iliac spine is a part of the Musculoskeletal.

Also identified as

• SCTID 182032008 per UBERON