what is trochanteric fossa
Medical Definition of TROCHANTERIC FOSSA. : a depression at the base of the internal surface of the greater trochanter of the femur for the attachment of the tendon of the obturator externus.What made you want to look up trochanteric fossa?weet. : a depression at the base of the internal surface of the greater trochanter of the femur for the attachment of the tendon of the obturator externus.