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Nail Structure
Cosmetology
Term | Definition |
---|---|
bed epithelium | thin layer of tissue between the nail plate and the nail bed |
eponychium | Living skin at the base of the nail plate covering the matrix area. |
free edge | part of the nail plate that extends over the tip of the finger or toe |
hyponychium | the slightly thickened layer of skin that lies beneath the free edge of the nail plate |
ligament | a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs |
lunula | The visible part of the matrix that extends from underneath the living skin is the |
matrix | area where the natural nail is formed; this area is composed of matrix cells that make up the nail plate. |
nail bed | portion of the skin that the nail plate sits on |
nail cuticle | dead, colorless tissue attached to the natural nail plate. |
nail folds | folds of normal skin that surround the nail plate |
nail grooves | slits or furrows on the sides of the sidewall. |
nail plate | Hardened keratin plate covering the nail bed. |
natural nail | the hard protective plate of the nail, composed mainly of keratin |
natural nail unit | Composed of several major parts of the fingernail including the nail plate, nail bed, matrix, cuticle, eponychium, hyponychium, hyponychium, specialized ligaments, and nail fold. Together, all of these parts form the nail unit. |
sidewall | the fold of skin overlapping the side of the nail |