OBJECTIVE:To confirm the influence of osteoporosis on the healing of femoral shaft fracture and to investigate the effects of XLGB on osteoporotic fracture healing.

目的：观察骨质疏松对大鼠股骨干骨折愈合的影响，以及仙灵骨葆对骨质疏松性骨折愈合的作用。

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Results in OPFM, both endochondral bone formation and intramembrane bone formation played their parts in osteoporotic fracture healing, the former played a major role.

结果与一般骨折愈合方式相似，软骨内成骨与膜内成骨共同参与了骨质疏松性骨折的修复，且以软骨内成骨为主。

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OBJECTIVE: To investigate the mechanism of osteoblast allograft in enhancing the healing of osteoporotic fracture in aged SD rats.

目的：研究幼龄成骨细胞移植对促进SD老龄鼠骨质疏松性骨折愈合的作用机制。

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