Conclusion the epidermal stem cells of rats are located at the basal layer of epidermis and the hair follicle bulge.

结论在表皮基底层、毛囊外根鞘区存在表皮干细胞。

youdao

And photon laser light through heat, light burst on the role of the epidermis, but it can not penetrate the epidermal basal layer, the epidermis only taking effect.

激光与光子是通过光热、光爆破作用于表皮，但不能穿透表皮基底层，仅对表皮发生作用。

youdao