角質的角質物質
Keratose \Ker"a*tose`\, n. [Gr. ke`ras, -atos, horn.] (Physiol. Chem.) A tough, horny animal substance entering into the composition of the skeleton of sponges, and other invertebrates; -- called also {keratode}. Keratose \Ker"a*tose`\, a. (Zo["o]l.) Containing hornlike fibers or fibers of keratose; belonging to the Keratosa.