Part 1
FILE IN THE BLANK: The ______ is an appendage of the skin.
NAIL
What finger nail grows the slowest ?
Thumb nail
What is the half-moon shape at the base of the nail, which is the visible part of the matrix and appears lighter ?
Lunula
What is the living tissue underneath the free edge of the nail called ?
Hponychium
What are the folds of skin on either side of the nail grooves called ?
Sidewalls
What is the nail made of ?
Hard keratin
What is the overlapping dead tissue that is loose & pliable around the nail ?
Cuticle
What is the visible nail area from the nail root to the free edge ?
Nail plate
What is the part of the nail on which the nail body rest and where nerve & blood vessels supply nourishment to the nail ?
Nail Bed
Nails grow at a rate fastest when ?
In summer
What is the technical name for the nail ?
Onyx
What is the active tissue that generates cells, which hardens to form the nail plate ?
Matrix
What is the part of the nail that extends beyond the finger or toe and protects the tips of fingers & toes ?
Free edge
What is the live tissue of skin located at the base of the nail called ?
Eponychium
What is the living tissue that overlaps the sides of the nail plate called ?
Perionychium
What finger nail grows the fastest ?
Middle the finger
What is the pocket-like structure that holds the root & matrix ?
Mantle
What is the average finger nail growth rate of an adult nail ?
One fourth of an inch a month
How long does it take the average replacement of a new toe nail to grow ?
12-18 Months
What nails grow slower but harder and are thicker ?
Toe nails
What is the study, structure, and growth of the nail called ?
Onychology
What are the tracks on either side of the nail that moves the nail as it grows ?
Grooves
Under normal circumstances, How long does it take a new or damaged finger nail to grow ?
4-6 Months
The new nail growth originates from the matrix, located where ?
IN THE MANTLE
The rate of cell production that determines the thinness or thickness of the nail plate is located where?
THE MATRIX