The Upper Extremity ( proximal extremity, Fig. The femur, like other long bones, is divisible into a body and two extremities. The degree of this inclination varies in different persons, and is greater in the female than in the male, on account of the greater breadth of the pelvis. In the erect posture it is not vertical, being separated above from its fellow by a considerable interval, which corresponds to the breadth of the pelvis, but inclining gradually downward and medialward, so as to approach its fellow toward its lower part, for the purpose of bringing the knee-joint near the line of gravity of the body.
244, 245), the longest and strongest bone in the skeleton, is almost perfectly cylindrical in the greater part of its extent.
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