同种异体骨中有少量或没有血管长入，而相同时段的自体骨移植中有大量的新生血管网。
In the allografts, there is little or no vessel in-growth in the center of the graft, whereas the autograft shows abundant new vessel networks in the bone substance.
而自体骨髓细胞移植是否会促进脑缺血区新生血管的形成进行血运重建目前尚不清楚。
However, it is not clearly known whether autologous bone marrow cells implantation could promote neovascularization and facilitate reestablishment of circulation in ischemic regions of the brain.
目的：探讨经颈动脉移植自体骨髓细胞对脑缺血区新生血管形成的影响。
OBJECTIVE: to investigate the effect of autologous bone marrow cell transplantation via the carotid artery on angiogenesis in the ischemic regions of the brain.
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