Lateral arcuate ligament

System Respiratory

Lateral arcuate ligament

Definition

The lateral arcuate ligament (also lateral lumbocostal arch) is a ligament under the diaphragm that arches across the upper part of the quadratus lumborum. It is traversed by the subcostal nerve, artery and vein.

The Lateral arcuate ligament is a part of the Respiratory.