Term Name:	posterior superior iliac spine
Synonyms:	posterior superior spine of the ilium
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.
Ontology:	Uberon Ontology [UBERON:0013710]