Morphologically, there was no significant difference between activated Schwann cells inoculated on Chitosan-collagen film and on Petri dish.

• 接种于膜上的激活态许旺外形上和培养皿中无明显差异,但膜上的激活态许旺细胞在相差显微镜下犹如“刻在沙地上的文字”一般。