peristomial

例句：

1. 1.The peristomial appendix is the largest and most important part of the intestine.
   肠系膜是肠道中最大的部分，也是最重要的部分。
2. 2. The peristomial folds are responsible for trapping bacteria and preventing them from entering the bloodstream.
   肠系膜褶皱负责捕捉细菌并防止它们进入血流。
3. 3. The peristomial membrane is a thin layer of tissue that lines the walls of the digestive tract.
   肠系膜膜是一种薄层组织，位于消化管壁的内表面。