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The medical branch of science that deals with the study of skin-its tructure, functions, diseases, and treatment
dermatology
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How many years of post HS training must dermatologists take?
12
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What is the largest organ of the body?
skin
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How much does the skin of an average adult weigh?
6-9 pounds
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How would you describe the surface of healthy skin?
slightly acidic
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What does the skin develop into after continued, repeated pressure(esp. on hands and feet) causing it to thicken
callus
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How does the skin on the scalp differ from the skin elsewhere on the human body?
has larger and deeper hair follicles
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How many layers is the epidermis made up of?
5
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What layer of the epidermis is the one we see when we look at the skin and it is the layer cared for by salon products and services?
stratum corneum
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a fiborous protein that is also the principal component of hair and nails
keratin
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Which layer of the epidermis is where the process of shedding begins?
stratum spinosum
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also known as the basal layer, is the deepest layer of the epidermis
stratum germinativum
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Special cells in the basal layer produce a dark pigment called?
melanin
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______ is responsible for producing dark pigment in the basal cell layer?
melanocytes
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The highly sensitive dermis layer of connective tissue is about how many times thicker than the epidermis?
25
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What muscles are the small, involuntary muscles in the base of the hair follicle that cause goose bumps?
Arrector pili muscles
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What is the outer layer of the dermis?
papillary layer
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small, cone-shaped elevations at the base of the hair follicles
dermal papillae
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The top of the papillary layer where it joins the epidermis
epidermal dermal junction
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the deeper layer of the dermis that supplies the skin with all of its oxygen and nutrients
reticular layer
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