medial arcuate ligament


me·di·al ar·cu·ate lig·a·ment

[TA] a tendinous thickening of the psoas fascia that extends from the body of the first lumbar vertebra to its transverse process on either side. A portion of the diaphragm arises from it. Synonym(s): ligamentum arcuatum mediale [TA], arcus lumbocostalis medialis, medial lumbocostal arch