For Keratin we have terms and definitions in 10 topics. The topics are Beauty, Cosmetics, Dairy Production, Day Spa, Health and Beauty, Horse Health, Medical, Microbiology, Prostate Cancer and Skin Cancer.

The tough protein that is the major component of stratum corneum cells, hair, hoof, horn, and nails. A surface protective agent with film-forming and moisturizing action.
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Keratin is the natural substance that gives nails and hair their resiliency.
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A hard protective substance deposited in cells to make them resistant; hoof and hair are made up of keratin.
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A protein that is the main constituent of the skin, hair, and nails.
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The tough protein that is the major component of stratum corneum cells, hair, hoof, horn, and nails. A surface protective agent with film-forming and moisturizing action.
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An insoluble, sulfur-rich protein that represents the principal component of skin, hair, and nails (hooves).
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A tough protein found in skin, nails, and hair
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A scleroprotein containing large amounts of sulfur, such as cystine; the primary component of skin, hair, and nails.
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Any of various sulfur containing fibrous proteins that form the chemical basis of horny epidermal tissues (as hair and nails) and are typically not digested by enzymes of the gastrointestinal tract
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A protein that forms the cytoskeleton (miniature skeleton within a cell) of the epidermal cells. Keratin filaments run within a cell from the inside of the outer membrane to weave a "basket" around the nucleus of the cell. Keratins are a principle part of the epidermis, hair, nails, horny tissues and enamel of the teeth. Keratin contains a high amount of sulfur because of the amino acid cystine. Keratin accounts for 30% of the cellular protein of living epidermal cells and 85% of cellular protein of the dead cells in the stratum corunem (scaly, dead or horny layer of the outer skin).
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