Chapter 7 - Skin Structure, Growth, & Nutrition Flashcards
About how many years Of post-high school education and training are required to become a dermatologist?
Twelve
The average adult skins weighs _ pounds?
6 - 9
The surface of healthyskin is slightly _?
Acidic
The outermost and thinnest layer of the skin is the _?
Epidermis
The layer of the skin that is seen and treated by the cosmetologist is the _?
Stratum corneum
What is a fibrous protein that is the principal component of hair and nails p
Keratin
The stratum germinativum is composed Of several layers with special cells that produce a dark skin pigment called _?
Melanin
The highly sensitive dermis layer is about (blank) times thicker than the epidermis?
25
The outermost layer of the dermis is the _ __ _ layer?
Papillary
Which type of nerve fibers carry impulses from the brain to the muscles?
Motor
Which body part sends messagesto the brain?
Sensory nerve fibers
(Blank) helps protect sensitive calls from uv rays
Melanin
What is a fibrous protein that gives skin form and strength?
Collagen
What is a small, round elevation on the skin that contains no fluid but may develop pus?
Papule
Water is the number one nutrient of the body and composes what percentage of the body’s weight?
50-70%
The medical branch of science that deals with the study of skin its functions and diseases is blank?
Dermatology
The largest organ of the human body is the?
Skin
Continued pressure on any part of the skin causes it to thicken and develop into a
Callus
How does the skin on the scout different from other skin?
The scalp is larger and deeper hair follicles
The epidermis has blank layers?
Five
The skin layer in which the shedding of the skin cells first begins in the stratum?
Spinosum
The deepest layer of the epidermidis, the basal cell layer, is also known as the?
Stratum germinativum
What is the name of the special sale in the stratum germinativum responsible for producing dark skin pigment?
Melanocytes
The underlying or inner layer of the skin which is also called the derma corium cutest or true skin is the ?
Dermis
The muscle that causes goosebumps when a person is frightened or cold is the?
Arrector pili muscle
Small, cone shaped elevations at the bottom of hair follicles are known as
Dermal papillae
The top of the papillary layer where it joins the epidermidis is the
Epidermal dermal Junction
The deeper layer of the dermis that supplies the skin with oxygen and nutrients is the
Reticular later
Fatty tissue found below the dermis is called
Subcutaneous tissue
What layer of the dermis house is the nerve endings that provide the body with the sense of touch
Papillary layer
The tiny grains of pigment deposited in cells that provide skin with its color are
Melanin
Melanin produced by the body that is red to yellow in color is
Pheomelanin
The fibrous proteins that gives skin it’s flexibility and helps skin regain its shape after being expanded is
Elastin
Oil glands that are connected to hair follicles are also called
Sebaceous glands
When sebum hardens in the sebaceous duct becomes clogged the poor impaction that is formed is a
Comedo
Vitamin blank may help improve the skins elasticity and thickness
A
Vitamin blank promotes the production of collagen
C
Which vitamin enables the body to properly absorb and use calcium
D
