epidermis

As a major part, the leaves display most visible colored cells and such as petiole, tender stems and green stems, they are all observed a large number of colored cells in epidermis and cortex.

叶片作为主要产生部位，显色最为明显，其他诸如叶柄、嫩茎尖、绿色幼茎均能观察到表皮和大量的皮层细胞显色。

Compared to traditional methods for wrinkle reduction, laser non-ablative rejuvenation can improve aged structural changes in skin without damage of the epidermis, so it becomes a major topic of interest in the aesthetic medicine.

延缓和治疗皮肤老化一直是医学研究的重点问题。与传统的嫩肤方法相比，激光非磨削嫩肤技术既不损伤皮肤表皮，又能减轻皮肤皱纹，因而成为美容医学研究的一个热点。

Methods: Ruthenium tetroxide and osmium tetroxide were compared as post fixative in the preparation of hairless epidermis for transmission electron microscopic examination.

方法：裸鼠表皮分别用四氧化钌和锇酸固定后电镜下观察裸鼠表皮角质层脂质的超微结构。