The cells in the VE groups restored being better. The neurons in the VE-L group took the form of fusiform or awl, and were basically similar with the Normal control group.

• VE各组神经元恢复较好，VE一L组胞体呈梭形、锥形，细胞界限清楚，突起较粗壮且清晰，突起间形成致密网络，基本相似正常对照组;