ectal

例句：

1. 1. The ectal wall is lined with mucus and glands.
   肠壁被黏液和腺体覆盖。
2. 2.The ectal lining contains cells that help digest food.
   肠内衬有帮助消化食物的细胞。
3. 3. Ectalgia is a condition where the ectum becomes inflamed.
   肠胀气是一种炎症状态，其中肠壁发炎。