Chapter 8 Flashcards
Complete replacement of the nail plate takes about
4-6 months
Toe nails take ….. to be fully replaced
9 months - to a year
As a person ages, parts of the nail matrix begins to permanently slow down
Production causing the plate to develope a series of narrow grooves running down the length of the plate
The length. Width, and curvature of …. Determines the thickness, width, and curvature of the nail plate
The matrix determines
Can make the nail grow thicker
Nothing
Nail plates grow faster in the …. Than in the ….
Summer than the winter
….. nails grow faster than those of …. People
Children’s , older
The nail on the….. grows fastest
Middle finger
The nail of the …. Grows slowest
Thumb
Nail growth rates ….. during the last trimester of pregnancy because of …. In the body
Increase dramatically , hormonal changes
Although , toes plates grow more slowly than fingernail tips, they are thicker because the toenails …….. than the ….. on fingernail
Matrix is longer
Is a tough band of fibrous tissue that connects bones or holds an organ in place
A ligament
Ligaments are located at the …. And around the……
Base of the matrix , edges of the nail beds
Are folds of normal skin that surround the nail plate
Nail folds
Nail folds form the … on each side of the nail
Nail groove
The sidewalls also called the …. Is the fold of skin overlapping the side of the nail
Lateral contours
The …. Is the living skin at the base of the nail plate covering the matrix are, also the living tissue at base of the nail
Eponychium
The ….. is the slight thickened layer of skin that lies between the fingernail tip and the free edge of the nail tip
Hyponuchium
Nail techs cannot … huponychium but they can push it back because it is ….
Cut, live skin
The cuticle is the …. Tissue attached to the nail plate
Dead , colorless
This tissue is ……. To remove from the nail plate
Incredibly sticky and difficult
Cuticle moisturizers, softeners, or conditioners are ….. because they are used for the ……. NOT the cuticle
Improperly named , eponychium, lateral sidewalls, and hyponychium
Cuticle removers are
Properly named
Nail grows from the
Matrix
They speed removal of stubborn cuticle tissue
Cuticle removers
The portion of living skin that supports the nail plate as it grows towards the free-edge
Nail bed
Is the area where the nail place cells are formed
The matrix
The matrix area contains …… to nourish the matrix cell
Nerves, lymph, and blood vessels
The whiteish, half moonshapenundermeath the base of the nail plate
The lunula
Because the nail plate is richly supplied with blood vessels , the area underneath the nail plate can have a
Pinkish appearance
The most visible and functional part of the nail is
The nail plate
The …. Is the part of the nail plate that extends over the tip of the finger or toe
Free-edge
The natural nail itself is technically referred to as
The onyx
The onyx is composed
Mainly of keratin
The keratin in the natural nail
Is more durable than the keratin in the hair and skin
A normal healthy nail is
Firm, flexible , shiny, and slightly pink in color
The surface is usually
Smooth and unspotted, w/ no splits or deep grooves
The nail plate is …. Allowing it to pass much easier than it will pass to normal skin to equal thickness
Porous to water
The lower the water content
The more rigid the nail becomes
Using an oil based nail conditioner or nail polish to coat the plate can reduce water loss and
Improve flexibility
The natural nail is the
Hard protective plate located at the end of the finger or the toe
It is an …. Of the skin and parts of the integumentary system
Appendage
What systems are nails in ?
Integumentary / tegumentary system
Their appearance can
Reflect the general health of the body