Skin Functions
What is the largest organ of the body?
Skin (the integumentary system)
What is the outermost layer of the skin?
Epidermis
What hormone stimulates cells to reproduce and heal?
Epidermal growth factor (EGF)
What is glycation?
The binding of a protein molecule to a glucose molecule
What function do the sudoriferous glands perform?
Excrete perspiration, regulate body temperature, and detoxify the body
What function do sudoriferous glands perform?
Excrete perspiration, regulate body temperature, and detoxify the body
What is the support layer below the epidermis?
Dermis
What protein gives skin its flexibility and firmness?
Elastin
What does TEWL stand for?
Transepidermal water loss
What is not an element of the skin’s acid mantle?
a.sebum
b.blood
c.lipids
d.sweat
Blood
What does the skin synthesize upon exposure to the sun?
Vitamin D
What happens in the stratum germinativum?
Cells divide (Mitosis)
What is collagen?
Fibrous tissue made from protein
Where are apocrine glands found?
Underarm and genital areas
What function do sebaceous glands perform?
Protect the surface of the skin
What are the six primary functions of the skin?
Sensation, protection, heat regulation, excretion, secretion, and absorption
What does scar tissue lack?
Hair and sweat glands
What structures nourish the epidermis?
Looped capillaries
What is histology also known as?
Microscopic anatomy
Which nerves convey impulses from the brain or spinal cord to the muscles or glands?
motor
What hormone stimulates cells to reproduce and heal?
EGF aka Epidermal Growth Factors
What layer is 80 percent fat and provides a protective cushion?
Subcutaneous layer (hypodermis)
What is the intercellular matrix often compared to?
Cement mortar between bricks
What are dermal papillae?
Membranes of ridges and grooves that attach to the epidermis
What causes injured skin to restore itself to its normal thickness?
Hyperproduction of cells