Medical Dictionary
Main Entry:
obturator ex·ter·nus Pronunciation:
-ek-'st&r-n&s Function:
noun : a flat triangular muscle that arises especially from themedial side of the obturator foramen made up of the rami of the pubis and ischium and from the medial part of the obturator membrane, that inserts by a tendon into the trochanteric fossa of the femur,and that acts to rotate the thigh laterally
