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Hip bone
Last reviewed: 20.11.2021
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Pelvic bone (os coxae) up to 12-16 years old consists of three separate bones connected by cartilage: iliac, pubic and sciatic, which at this age are intergrown with each other.
In the area of fusion of the bodies of these bones there is a deep acetabulum, which is an articular fossa for the head of the femur. The acetabulum is circumscribed by a high margin, which on its medial side has a notch of the acetabulum (incisura acetabuli). For articulation with the femoral head in the acetabulum, along its periphery, there is a semilunar surface (facies lunata). In the center of the acetabulum is a pit of the acetabulum (fossa acetabuli).
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