medial lumbocostal arch -->
medial arcuate ligament
medical dictionary

<anatomy> One of Haller's arches; 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.

Synonyms: ligamentum arcuatum mediale, arcus lumbocostalis medialis, medial lumbocostal arch.

(05 Mar 2000)