Milady Chapter 9 - Nail Structure & Growth
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1.Onyx - is the hard protective plate composed mainly of Keratin.: Natural
Nail
2.The fiber shaped protein found in skin and hair.: Keratin
3.Which system in the natural nail part of?: Integumentary
4. protects the tips of the fingers and toes.: Nail plates
5.A normal healthy nail looks like what?: Firm but flexible, shiny surface,
smooth and unspotted with no wavy ridges, pits or splits, has a whitish & translucent with a pinkish color nail bed showing through.
6.The nail unit consist of the following:: 1. Nail plate 2.Nail bed 3.Matrix 4.Cuticle 5.Eponychium 6.Perionychium 7.Hyponychium 8.Specialized Ligaments 9.Nail fold 7.The hardened Keratin plate that sits on and covers the nail bed. It is the most visible & functional part of the nail unit. It is relative porous and allows water to pass through. It is formed by matrix cells and is constructed of
about 100 layers of nail cells.: Nail Plate
8.Their job is to created the nail plate cells.: Matrix Cells
9.The part of the nail plate that extends over the tip of the finger or toe.:
Free Edge 10.The portion of living skin that supports the nail plate as it grows toward the free edge. It contains many nerves & is attached to the nail plate by
bed epithelium.: Nail Bed
11.A thin layer of tissue that helps guide the nail plate along the nail bed
as it grows.: Bed Epithelium
12.Nail Beds are living cells and require what?: Oxygen, Vitamins, and
Minerals 13.Area where the nail plate cells are formed. It contains nerves, lymph, and blood vessels. It is the visible part that extends from underneath the
moon shape at the base of the nail.: Matrix
14.The dead, colorless tissue attached to the natural nail plate. Its job is to seal the space between the natural nail plate and living skin above to prevent entry of foreign material and microorganisms and to help avoid
injury and infection.: Cuticle
15.Cuticle moisturizers, Softeners and conditioners are actually designed
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