Glands
Sebaceous Glands Secrete this.
Sebum (oily mixture)
The function of this protein is to waterproof and harden the epidermis
keratin
Three major layers of the skin from superficial to deep.
epidermis
dermis
hypodermis (subcutaneous)
Caused by an overproduction of sebum.
Acne
The part of the nail that is active in mitosis (cell division)
Lanula
Sebaceous glands are usually associated with these.
hair follicles
Major functions of the integumentary system
protection
maintenance of body temp
excretion
Sensory
Larry got two splinters, one went through his arm and one through his palm. How many layers did they go through?
arm- 4
palm- 5
Third degree burns penetrate into this layer
hypodermis
Hair and nails are made of this
Keratin
Apocrine
The function of melanocytes?
make melanin
The top layer of the epidermis.
Stratum Corneum
What does ABCD Rule consist of?
A- Asymmetry
B- Border
C- Color
D- Diameter
Functions of hair?
Helping maintain warmth, Protecting and ect
This is the sweat gland that cools the body
Eccrine
The function of the stratum corneum is
Toughen and waterproof the skin
The dermis has this but the epidermis doesn't
Blood Flow
Nerves
connective tissue
What is the most deadly skin cancer?
melanoma
The name of the muscle that moves hair follicles (goose bumps)
arrector pili
Approximately how many sweat glands do we each have?
About 3 million
This function requires UV light.
Vitamin D production.
The deepest layer of the epidermis
Stratum Basale
What happens to the skin when exposed to UV?
connective tissue gets damaged
more melanin (100 bonus)
The downy hair that covers a fetus is
lanugo