Chapter 9: Nail Structure and Growth

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nail plate

the _____ ______ is relatively porous and will allow water to pass through it

thumb

the nail growth rate on the ________ is typically the slowest

15 and 25%

the nail has a water content between _____ _____ _______

skin

the natural nail is an appendage of the skin

ligament

a ____________ is a tough band of fibrous tissue that connects bones or holds an organ in place

is shiny, smooth, and unspotted with no wavy ridges, pits, or splits.

a normal, healthy nail surface

matrix

as long as the ______ is nourished and healthy, new nail plate cells will be created

push back

cosmetologists are allowed to gently ______ ______ the eponychium

lateral sidewalls

cuticle nail moisturizers, softeners, and conditioners are actually designed for the eponychium, ___________ __________, and hyponychium

nine months to a year

it takes about _____________ for toenails to be fully replaced

four to six months

ordinarily, replacement of a natural fingernail takes about

matrix

the ______ is the area where the nail plate cells are formed

sidewall

the __________ is the fold of the skin overlapping the side of the nail

lunula

the __________ is the whitish, half-moon shape underneath the base of the nail

body

the appearance of the nails can reflect the general health of the body

cuticle

the dead colorless tissue attached to the natural nail plate is known at the nail _______

eponychium

the living skin at the base of the natural nail plate covering the matrix area is the _______

nerves, lymphs, and blood vessels

the matrix contains ___________

free edge

the part of the nail plate that extends over the nail or toe is the _______ _______

nail bed

the portion of the living skin that supports the nail plate as it grows towards the free edge is called the _______ ______

hyponychium

the slightly thickened layer of skin under the nail that lies between the fingertip and the free edge of the nail plate is the _________

bed epithelium

the thin layer of tissue that attaches the nail plate and the nail bed is the _______

cuticle

tissue that adheres directly to the natural nail plate but which can be removed with gentile scraping of the _______

matrix

toenails are thicker than fingernails because the ______ of the toenail is longer than that of the fingernail

shed

unlike healthy hair, healthy nails are not ________ periodically


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