Cancellous bone is porous and can be rapidly revascularized, incorporated, and remodeled via "creeping substitution."
松质骨是疏松的，可以很快得到血液供应，被融合和通过爬行取代重建的。
The creeping substitution of the devitalized bone was mainly manifested by bone resorption within 12 weeks postoperatively.
术后12周以前，灭活骨段的爬行替代以骨吸收表现为主。
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