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| organ covering the body; made up of layers |
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| outer layer of skin; protects the body from the external environment |
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| scleroprotein component of the horny, or cornified, layer of the epidermis. Also, the primary component of the hair and nails |
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| dark pigment produced by melanocytes; amount present determines skin color |
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Definition
| compressed, keratinized cells that arise from hair follicles, the sacs that enclose the hair fibers |
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| horny plates made from flattened epithelial cells; found on the dorsal surface of the ends of the fingers and toes |
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Definition
| secrete sebum (oil) into the hair follicles where the hair shafts pass through the dermis |
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| sudoriferous (sweat) glands |
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Definition
| tiny, coiled, tubular structures that emerge through pores on the skin's surface and secrete sweat |
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| inner layer of skin; responsible for its flexibility and mechanical strength |
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| cutane/o, derm/o, dermat/o |
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Definition
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| horny tissue (keratin), hard (Note: kerat/o is also used to refer to the cornea of the eye; see Chapter 12.) |
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