acetabulum

(as″ĕ-tab′yŭ-lŭm)

[L. acetabulum, a little saucer for vinegar (acetum)]
The cavity or depression on the lateral surface of the innominate bone (hip bone). It is composed of three bones: the ilium, ischium, and pubis; it provides the socket into which the head of the femur fits.
SYN: SEE: cotyloid cavity
acetabular (as″ĕ-tab′yŭ-lăr), adj.

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ACETABULUM OF RIGHT HIP BONE (FEMALE)

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