cuticular nodule

例句：

1. 1. The skin of the animal has several cuticular nodules that are visible under a microscope.
   动物的皮肤上有几个在显微镜下可见的角质结节。
2. 2.The doctor removed a small cuticular nodule from his patient's arm.
   医生从患者的手臂上移除了一个小的角质结节。
3. 3. The researcher found that some animals have developed cuticular nodules as a defense mechanism against pathogens.
   研究人员发现，一些动物发展出角质结节作为对病原体的一种防御机制。