Keratin - Definition
keratin
n 1: a fibrous scleroprotein that occurs in the outer layer of
the skin and in horny tissues such as hair, feathers,
nails, and hooves [syn: keratin, ceratin]
n 1: a fibrous scleroprotein that occurs in the outer layer of
the skin and in horny tissues such as hair, feathers,
nails, and hooves [syn: keratin, ceratin]