What is the function of the acetabulum?

A. It forms a ball-and-socket joint with the head of the femur.
B. It forms a false foramen for the passage of the suprascapular nerve.
C. It is the articulation site for the sacrum.
D. It forms a ball-and-socket joint with the head of the humerus.



Answer :

Final answer:

The acetabulum functions as the socket of the hip joint, forming a ball-and-socket joint with the femoral head, providing stability and weight-bearing ability.


Explanation:

The acetabulum is the socket portion of the hip joint, forming a ball-and-socket joint with the head of the femur. This structure provides stability and weight-bearing ability to the joint. Additionally, the acetabulum is deepened by the acetabular labrum and supported by ligaments such as the iliofemoral, pubofemoral, and ischiofemoral ligaments.


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