keratin
ker·a·tin
noun \ˈker-ə-tən\Definition of KERATIN
: any of various sulfur-containing fibrous proteins that form the chemical basis of horny epidermal tissues (as hair and nails)
— ke·ra·ti·nous \kə-ˈra-tə-nəs\ adjective
See Origin of KERATIN
International Scientific Vocabulary
First Known Use: circa 1849
Other Biochemistry Terms
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