outer cuticle的意思|示意

The cuticle exists as the separable outer boundary and consists of a layer of wax and pectin materials that appears to be structureless.

可以区分开来的外部周界是表皮层，由无定形组织的蜡质和果胶构成。

Colour-enhanced scanning electron micro-graph of the split end of a human hair showing the outer cuticle layer surrounding the inner cortical layer.

色彩效果增强的人类断裂头发尾部电子显微照显示外面的表皮层包裹着里面的皮质层。

The acidic pH interacts with the hair's slightly negative charge to help the cuticle, the outer layer of the hair, maintain a smooth, flat surface.

酸性PH值和头发上的微量的负电荷相互作用，以此来帮助毛小皮，即头发表面的一层，保持表面光滑平整。