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Lengua inglesa
keratin
noun , biochem a tough fibrous protein produced by the epidermis in vertebrates, and forming the main component of hair, nails, claws, horns, feathers and the dead outer layers of skin cells.
[19c]
keratinous adjective .


© Hodder Education
keratinize or keratinise
verb (keratinized , keratinizing ) tr & intr to become or make something horny.
keratinization noun
1 formation of keratin.
2 becoming horny.


© Hodder Education
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