角质

1. 鸡眼，老茧皮肤角质层的局部增厚和增大
   A localized thickening and enlargement of the horny layer of the skin.
2. 有甲壳的有鳞片状、棘状突起或者角质小片状的硬壳，例如象犰狳或者龙虾
   Having a hard covering of scales, spines, or horny plate, as an armadillo or a lobster.
3. 壳内的封闭在椭圆形角质壳内的。用于一虫蛹
   Enclosed in an oval, horny case. Used of an insect pupa.
4. 角质疣皮肤角质组织的过度生长的部分
   Excessive growth of horny tissue of the skin.

角的英语翻译：

质的英语翻译：