Conclusion The ultrastructure characteristics support that the origin of intracranial chondroma is brephic embryonic rest of osteoprogenitor cells in the basicranial periost.
论颅内软骨瘤由不典型的软骨细胞组成，超微结构检查显示其来源于软骨骨膜内残留的骨祖细胞。
Autografts, both cancellous and cortical, are usually implanted fresh and are often osteogenetic, whether by providing a source of osteoprogenitor cells or by being osteoinductive.
自体骨移植，包括松质骨和皮质骨，通常现采现植并具有成骨活性，可以提供骨生成细胞或者具有骨诱导活性。
Autografts, both cancellous and cortical, are usually implanted fresh and are often osteogenetic, whether by providing a source of osteoprogenitor cells or by being osteoinductive.
自体骨移植，包括松质骨和皮质骨，通常现采现植并具有成骨活性，可以提供骨生成细胞或者具有骨诱导活性。
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