The upper extremity, proximal extremity or superior epiphysis of the femur is the part of the femur closest to the pelvic bone and the trunk. It contains the following structures: Femoral head including the fovea Femur neck Greater trochanter Lesser trochanter Intertrochanteric line Intertrochanteric crest Trochanteric fossa Linea quadrata Quadrate tubercle The head of femur, which articulates with the acetabulum of the pelvic bone, composes two-thirds of a sphere...