The femoral head at the left ( removed because of fracture ) shows smooth , glistening articular cartilage , while the femoral head at the right shows a rough , eburnated , irregular appearance typical for osteoarthritis 左边的股骨头（骨折离断）显示了光滑、闪亮的关节软骨，而右边的股骨头则显示了骨关节炎的典型的粗糙、坚硬、不规则的外形。
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