A triangular space at the upper part of the thigh, bounded by the sartorius and adductor longus muscles and the inguinal ligament, with a floor formed laterally by the iliopsoas muscle and medially by the pectineus muscle; the branches of the femoral nerve are distributed within the femoral triangle; it is bisected by the femoral vessels, which enter the adductor canal at its apex.
Synonym: trigonum femorale, fossa scarpae major, Scarpa's triangle, subinguinal triangle.
(05 Mar 2000)