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keratin (protein, organic material, ... Materials (hierarchy name)) |
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Note: A natural fibrous protein that is the primary building block for epidermal tissue. Keratin contains all of the common amino acids, but has higher amounts of cystine than other fibrous structural proteins. Soft keratins are found in the external layers of skin, wool, hair, feathers, while hard keratins are the major components of tortoise shells, nails, hoofs, scales, bills, and claws. In addition to usage in their natural form, since the mid-1600s keratin has been molded into buttons, combs, and buckles.
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| Terms: |
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| keratin (preferred,C,U,LC,English-P,D,U,N)
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| neurokeratin (C,U,English,UF,U,N)
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| 角蛋白 (C,U,Chinese (traditional)-P,D,U)
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| jiǎo dàn bái (C,U,Chinese (transliterated Hanyu Pinyin)-P,UF,U)
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| jiao dan bai (C,U,Chinese (transliterated Pinyin without tones)-P,UF,U)
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| chiao tan pai (C,U,Chinese (transliterated Wade-Giles)-P,UF,U)
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| keratine (C,U,Dutch-P,D,U,U)
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| kératine (C,U,French-P,D,U,U)
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| cheratina (C,U,Italian-P,D,U,U)
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| queratina (C,U,Spanish-P,D,U,U)
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Facet/Hierarchy Code: M.MT |
Hierarchical Position:
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Materials Facet |
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.... Materials (hierarchy name) (G) |
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........ materials (substances) (G) |
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............ <materials by composition> (G) |
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................ organic material (G) |
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.................... protein (G) |
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........................ keratin (G) |
Additional Notes: |
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| Chinese (traditional) ..... 指稱一種天然的纖維蛋白質，為建構表皮組織的主要基底。角蛋白包含所有所有常見的胺基酸，但胱胺酸的含量比所有其他的纖維狀結構蛋白來得高。軟角蛋白則可見於皮膚、羊毛、毛髮、羽毛的外層，而硬角蛋白則是龜甲、指甲、蹄、鱗片、喙與爪子等部位的主要組成成分。除了依其天然形式加以使用之外，自西元十七世紀中葉起，角蛋白也用來塑模做成鈕扣、梳子與環扣。 |
| Dutch ..... Een vezelachtige proteïne die de chemische basis vormt van opperhuidweefsel zoals haar, hoorn, wol, nagels of veren. |
| Spanish ..... Proteína fibrosa que forma la base química de tejidos epidérmicos tales como pelo, cuernos, lana, uñas o plumas. |
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Sources and Contributors: |
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