Of them 2 rats received lateral cord transsection at caudal injection region .

其中2只大鼠在注射区尾侧 加 作脊髓外侧索 横断。

Rats in the 3 groups were made into spinal transsection injured models . Hind limb palsy was established . Rats in the early transplantation group and postpone transplantation group were selected to remove NSCs of rats at day 3 and week 3 after injury .

3组大鼠均制作脊髓 横断损伤模型， 造成大鼠下肢瘫痪，早期移植组、延期移植组大鼠分别在伤后3d及3周移植 胎鼠脑组织神经干细胞。

The process of the pathological changes of DAI were : misalignment of the intra axonal structures axonal swelling and transsection .

轴突损伤的过程为：轴突内结构的 紊乱，轴突肿胀及 断裂。