acetabulum
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Image credit: Memorial University of Newfoundland
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A deep socket on the outer surface of the pelvis (hip bone) into which the head of the femur (thigh bone) fits forming the hip joint. The acetabulum is the point where the three components of the pelvis (ilium, ischium, and pubis) meet. The upper part and sides of the acetabulum forms the horse-shoe shaped lunate surface.
Related category
• ANATOMY AND PHYSIOLOGY
Source: University of Glasgow
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