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Integumentary System
HAIR AND NAILS
Term | Definition |
---|---|
lanugo | fine soft hair |
keratin | a tough protein found in hair, nails, and honry skin tissues |
scleroprotein | a hard fibrous protein found in keratin |
horny | resembling a horn or hardness; pertaining to a horn |
arrector | that which raises an eretor muscle |
arrectores pilorum | the tiny smooth muscles attached to the hair follicles that make the hair stand erect when contracted "raisers ot the hair" |
cilium | an eyelash a mircoscopic motile hairlike process found on the surface of certain cells |
capillary | tiny blood vessels connecting arterioles and venules pertaining to or resembling hair |
lunula | halfmoon (cresent-shaped) white arch near the root of a nail |