the layer of epidermis just under the stratum corneum or (on the palms and soles) just under the stratum lucidum; contains cells (with visible granules) that die and move to the surface
The results showed that the EGF positive staining cells were mainly localized in the stratum spinosum and stratum granulosum. 结果表皮生长因子阳性染色细胞主要分布于棘层和颗粒层。