stratum spinosum（棘层）是什么意思？音标发音+图解场景

棘层 /ˈstɹɑːtəm ˈbaseɪl/ n

English: stratum spinosum · 棘层

释义：Layer of the epidermis consisting of cells from the stratum basale, which continue to divide to form the stratum granulosum.

这个词出现在以下图解场景（1）