The grade of hindlimb function was assayed with Jacobs method,and the kinetic, sensory function of spinal reflex was scored with Reuter method, and HE stained the spinal cord section to observe the formation changes of neural cells.

• 采用Jacobs法对兔后肢功能评级,Reuter法对脊髓感觉运动反射功能评分,并取脊髓组织切片行苏木精-伊红染色,观察神经细胞形态改变。