stratum epithelium pigmentosum

• 色素上皮层

stratum epithelium pigmentosum的用法和样例：

例句

1. In PRK, the top layer of the cornea, called the epithelium, is scraped away to expose the stromal layer underneat.
   光性折射角膜切削术使用的方法是削去角膜的顶层，又称上皮层，来显露下面的基质层。
2. Food particles in the mid gut are generally separated from the epithelium by membrane.
   中肠中的食物颗粒，通常被粘膜所包围，从而与上皮层分隔开。