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。