MILADY 2012 CHAPTER 9
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15 terms
Terms | Definitions |
|---|---|
 bed epithelium | thin layer of tissue that attaches the nail plate and the nail bed. |
| eponychium | living skin at the base of the natural nail plate that covers the matrix area. |
| free edge | part of the nail plate that extends over the tip of the finger or toe. |
| hyponychium | slightly thickened layer of skin that lies between the fingertip and free edge of the natural nail plate. |
| ligament | tough band of fibrous tissue that connects bones or holds an organ in place. |
| lunula | visible part of the matrix that extends from underneath the living skin; it is the whitish, half moon shape at the base of the nail. |
| matrix | area where the nail plate cells are formed; this area is composed of --------- cells that produce the nail plate. |
| nail bed | portion of the living skin that supports the nail plate as it grows toward the free edge. |
| nail cuticle | dead, colorless tissue attached to the natural nail plate. |
| nail folds | folds of the normal skin that surround the natural nail plate. |
| nail grooves | slits or furrows on the sides of the sidewall. |
| nail plate | hardened keratin plate that sits on and covers the natural nail bed. It is the most visible and functional part of the natural nail unit. |
| natural nail | the hard protective plate is composed mainly of keratin, the same fibrous protein found in the skin and har. The keratin in ------------ is harder than the keratin in skin and hair (onyx). |
| natural nail unit | composed of several major parts of the fingernail including the nail plate, nail bed, matrix, cuticle, eponychium, hyponychium, specialized ligaments, and nail fold.Together all these parts form the ------. |
| sidewall | the fold of skin overlapping the side of the nail (lateral nail fold) |
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