Nail Structure

Question 1

What is the natural nail known as and what is it made of

Answer 1

onyx; keratin

Question 2

What water content are nails

Answer 2

15-25%

Question 3

keratin that covers nail bed and is porous

Answer 3

nail plate

Question 4

portion of living skin that supports nail plate

Answer 4

nail bed

Question 5

attaches nail plate + nail bed

Answer 5

bed epithelium

Question 6

where nail plate cells are formed; made of nerves, lymph and blood vessels

Answer 6

matrix

Question 7

Living skin at base of natural nail plate covering matrix area

Answer 7

eponychium

Question 8

skin bordering root and sides of finger/toenail

Answer 8

perionychium

Question 9

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

Answer 9

hyponychium

Question 10

Average rate of nail growth per month

Answer 10

1/10-1/8”

Question 11

How long do fingernails take to replace

Answer 11

4-6 months

Question 12

how long to toenails take to replace

Answer 12

9 months - 1 year

Question 13

the ______ is the fold of skin overlapping the side of the nail
a. lateral nail fold
b. lunula
c. nail groove
d. sidewall

Answer 13

d. sidewall

Question 14

Tissue that adheres to the nail plate and can be removed w gentle scraping
a. eponychium
b. cuticle

Answer 14

a. eponychium

Question 15

living skin at the base of the natural nail plate covering the matrix area is the
a. eponychium
b. cuticle

Answer 15

a. eponychium