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nouna fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves
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Definition that contains keratin
- horn the material (mostly keratin) that covers the horns of ungulates and forms hooves and claws and nails
- keratinization organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair)
- keratinize convert into keratin
- keratinisation organic process by which keratin is deposited in cells and the cells become horny (as in nails and hair)
- keratinize become horny and impregnated with keratin
- keratinise convert into keratin
- cystine a crystalline amino acid found in proteins (especially keratin); discovered in bladder stones
- unguis any rigid body structure composed primarily of keratin
- keratinise become horny and impregnated with keratin
- horny structure any rigid body structure composed primarily of keratin