left crus of diaphragm

left crus of di·a·phragm

[TA]
the muscular origin of the diaphragm from the upper two or three lumbar vertebrae that ascends to the left of the aorta to reach the central tendon.
References in periodicals archive ?
The lesion is seen to abut stomach, and the bowel loops anteriorly, left hemidiaphragm superiorly; left crus of diaphragm medially; however the fat plane between the lesion and these structures is maintained.