Since keratin absorbs water, a thick keratin layer looks white when it's wet.

由于角质吸水，湿润的厚角质层看起来是白色的。

All hair is made of the protein keratin.

所有毛发都由角蛋白构成。

Increased keratin production is another one.

另一个是角蛋白增多。

At the cellular level, leukoplakia typically shows a thickened keratin layer.

从细胞学层面看，口腔黏膜白斑的典型表现是增厚的角质层。

Some whales build up waxes, along with lipids and keratin protein into what's called earplugs.

有的鲸会产生鲸蜡、油脂和角蛋白，组成被称为“耳塞”的东西。

It can also break down skin cells and keratin to help unclog the pores.

它还可以分解皮肤细胞和角蛋白以保证毛孔畅通。

The scales are made of keratin, the same stuff as human hair and fingernails.

鳞片是由角蛋白组成的，和人类的头发和指甲是一样的东西。

But Bajadasaurus spine's made of the same keratin material as our horned animals of today.

但是巴雅达龙的脊椎和我们今天的角化动物是由同样的角蛋白材料制成的。

The scales are made of keratin, which is the same ingredient that's in our nails.

这种鳞片是由角蛋白组成, 和我们的指甲是相同的成分。

The cutting edge is sheathed in keratin, the same substance that forms a cat's claw.

锋利端表面覆盖角质层，猫科动物的爪子也是由同种物质构成。