Definition
The ball-shaped top of the thighbone (femur) that fits into the hip socket. It is the most common site affected by avascular necrosis, where loss of blood supply causes the bone to weaken and potentially collapse.
Femoral Head
anatomyThe femoral head is the rounded, ball-shaped top of the thighbone (femur) that sits inside the cup-shaped socket of the pelvis to form the hip joint. It carries much of the body's weight when standing and walking. Because its blood supply is delicate, it is the most common site of avascular necrosis, where reduced blood flow weakens the bone and may lead to collapse.
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