Meaning of KERATIN
| Pronunciation: | | 'kerutin
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 WordNet Dictionary |
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| | Definition: | | [n] a 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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| | Synonyms: | | ceratin |
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| | See Also: | | albuminoid, feather, hair, horn, plumage, plume, scleroprotein | |
| Webster's 1913 Dictionary |
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| | Definition: | | \Ker"a*tin\, n. [Gr. ke`ras, -atos, horn.] (Physiol.
Chem.)
A nitrogenous substance, or mixture of substances, containing
sulphur in a loose state of combination, and forming the
chemical basis of epidermal tissues, such as horn, hair,
feathers, and the like. It is an insoluble substance, and,
unlike elastin, is not dissolved even by gastric or
pancreatic juice. By decomposition with sulphuric acid it
yields leucin and tyrosin, as does albumin. Called also
{epidermose}.
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| Medical Dictionary |
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| | Definition: | | Protein found in hair, nails, and the outer layers of skin. |
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| Biology Dictionary |
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| | Definition: | | A fibrous, insoluble, sulfur-containing protein that serves as the main structural molecule in hair and nails and is also present in the skin. |
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