Acetabulum

（重定向自Roof of acetabulum）

An example of a perforated acetabulum on an ornithischian dinosaur.

The acetabulum /æsᵻˈtæbjʊləm/ (cotyloid cavity) is a concave surface of the pelvis. The head of the femur meets with the pelvis at the acetabulum, forming the hip joint.

单词	Roof of acetabulum
释义	Roof of acetabulum 英语百科 Acetabulum （重定向自Roof of acetabulum） The acetabulum /æsᵻˈtæbjʊləm/ (cotyloid cavity) is a concave surface of the pelvis. The head of the femur meets with the pelvis at the acetabulum, forming the hip joint.
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