Appreciable accumulation of cells with label were not found in the spinal cord at 1 day after transplantation, but occurred in the injured spinal cord of the experiment group and mainly gathered in gray matter 1 week later.

• 移植1d后脊髓未见明显标记细胞,1周后实验组损伤脊髓部位标记细胞明显增加并相对聚集于灰质。