Chapter 9: Nail Structure and Growth
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