The epidermis has how many layers
5
The dermis is how many times thicker than the epidermis
20
What is the protein responsible for hair & nails
Keratin
Helps protect skin from UV rays
Melanin
on average the skin weighs between
6-9lbs
The deepest layer of the epidermis is
Stratum basal or germanitivum
Outermost layer of the dermis is
Papillary
Small cone shaped elevation at the bottom of hair follicles is
Sensory nerves
Tint pigment that are deposited into cells with color are
Melanin
The largest organ of our body is
Skin
The underlying inner layer of skin or “true skin” is also known as
Dermis
The deepest layer of the epidermis is
Reticular
Which nerve fiber carries impulses from brain to muscles
Motor
Continued pressure of the skin may cause
Callus
Small round elevation which contains no fluid but may have pus
Papule
The layer of skin in which cosmetologist treat
S corneum
Fatty tissue below the dermis is what
Subcutaneous tissue
What protein gives skin its strength and form
Collagen
When sebum gardens and becomes clogged duct what is this called
Comedone
What % of our body is water
50-70%
Which protein gives skin its shape after expansion
Elastin
Which vitamin enables body to absorb and use calcium
D
Oil glands connected to hair follicles are
Sebaceous glands
Vit — promotes collagen
B
vitamin -- improves skin elasticity
C