retinaculum of articular capsule of hip

ret·i·nac·u·lum of ar·tic·u·lar cap·sule of hip

one of several longitudinal folds of the articular capsule of the hip joint reflected onto the femoral neck deep to which the retinacular branches of the medial femoral circumflex artery pass to reach the femoral head.
Farlex Partner Medical Dictionary © Farlex 2012