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