术后7周实验组肱骨标本可见骨细胞与骨陷窝分离，有的细胞核固缩粗面内质网肿胀空化；

At postoperative 7 week, the humerus sample showed that osteocyte separated from osseous lacuna, some nucleus pycnosis and rough endoplasmic hollowed;

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结果：预防组能有效的降低破骨细胞数量及股骨头空骨陷窝率。

Result: the prevention group could effectively reduce the number of osteoclasts and the rate of empty lacunae femoral head.

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结果：预防组能有效的降低破骨细胞数量及股骨头空骨陷窝率。

Result: the prevention group could effectively reduce the number of osteoclasts and the rate of empty lacunae femoral head.

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