Tunica mucosa

例句：

1. 1. The doctor examined the patient's tunica mucosa and found no signs of infection.
   医生检查了患者的肠黏膜，没有发现感染的迹象。
2. 2. The patient was given a medication to treat his tunica mucosa inflammation.
   患者被开了一种药物来治疗他的肠黏膜炎症。
3. 3. The researcher conducted an experiment on the tunica mucosa of different species of animals.
   研究者对不同物种的动物的肠黏膜进行了实验。