mucous epithelium

例句：

1. 1.The doctor examined the patient's throat and found a thick layer of mucous epithelium.
   医生检查了患者的喉咙，发现有一层厚厚的黏液上皮。
2. 2.The scientist discovered that the mucous epithelium plays a crucial role in immune function.
   科学家发现黏液上皮在免疫功能中起着至关重要的作用。
3. 3.During the examination, the doctor removed a small piece of mucous epithelium from the patient's throat for further testing.
   在检查过程中，医生从患者的喉咙中取出一小片黏液上皮进行进一步的测试。