Marcille triangle

Mar·cil·le tri·an·gle

(mahr-sēl'),
an area bounded by the medial border of the psoas major, the lateral margin of the vertebral column, and the iliolumbar ligament below; it is crossed by the obturator nerve.

Marcille,

Maurice, 1871-1941.
Marcille triangle - an area bounded by the medial border of the psoas major, the lateral margin of the vertebral column, and the iliolumbar ligament below.