dermal epithelium的用法和样例：
例句
- 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。 - In the labial scanning images, three major layers, including epithelium, lamina propria, and submucosa, can be identified.
在这些口腔黏膜的扫瞄结果中发现，我们可以观察到口腔黏膜中上皮层和固有层两层结构，部分能看到次黏膜的构造。
