The secondary structure of rhizome include epiderm, cortex and vascular tissue, pith ray is developed.

根状茎的次生结构由外向内为表皮，皮层和维管柱，髓射线发达。

Close surface, soft texture, well compatible with epiderm cell, enjoy incomparable comfortable feeling.

表面细腻，质感柔软，能与表皮细胞很好的相容，给你无与伦比的舒服感觉。

Objective To investigate the therapeutic effect of APL on epiderm proliferation of psoriasis-like model of guinea pig.

目的观察置换肽（A PL）对豚鼠银屑病样模型表皮增殖的治疗作用。

The structure of epiderm combined with middle layer is advantageous to the conveyance and storage of nutrient substance;

中层细胞与表皮细胞的紧密结合有利于物质的运输与贮存；