ulcerate

In advanced stages the opaque corneas may ulcerate and even perforate.

在疾病后期，不透明的角膜可能产生溃疡，甚至穿孔。

A rash appears on the trunk. The sites where the Bacilli multiplied become inflamed and may ulcerate, leading to intestinal Bleeding or peritonitis.

躯体出现斑疹。芽胞杆菌聚集繁殖的地方发炎，可能发生溃疡，导致肠出血或腹膜炎。

Today, more than 500 000 are afflicted by yaws, which is caused by a spiral bacteria that penetrates through a cut in the skin resulting in bumps that burst, ulcerate and spread over the body.

今天，有50多万人受到雅司病感染。 雅司病是由螺杆菌引起，病菌通过患者皮肤上的伤口侵入，导致肿块，溃破后形成溃疡，遍布患者身体。