Outer (or top) layer of the skin

A) integumentary
B) dilate
C) constrict
D) transdermal
E) dermis
F) epidermis
G) subcutaneous
H) melanin
I) carotene
J) erythema
K) crust
L) fissure
M) pustule
N) ulcer
O) wheal

Epidermis

The outermost layer of skin, which serves as a waterproof barrier and creates our skin tone.

Integumentary

Referring to the integumentary system, which consists of the skin and its associated structures such as hair, nails, and glands, serving to protect the body.