Chapter 7- Skin Structure, Growth & Nutrition Flashcards

1
Q

Medical branch of science that deals with the study of skin- it’s nature, structure, functions, diseases and treatment

A

Dermatology

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2
Q

dermatologist attend ____ years of college, _____ years of medical school and about ____ years of specialty training in dermatology

A

4

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3
Q

largest organ of the body

A

skin

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4
Q

if the skin of the average adult was stretched out, it would cover over _________ square inches and weight about ____ to _____ pounds

A

3,000

6-9

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5
Q

the surface of healthy skin is slightly ————

A

acidic

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6
Q

hair skin and nail’s pH

A

4.5-5.5

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7
Q

continued, repeated pressure on any part of the skin, especially the hands and feet, can cause it to thicken and develop into a

A

callus

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8
Q

the skin of the ______ is constructed similarly to the skin elsewhere on the human body, but the scalp has ________ and ________hair follicles to accommodate the longer hair of the head

A

scalp
larger
deeper

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9
Q

the outermost and thinnest layer of the skin.

A

epidermis

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10
Q

made up of 5 layers

A

epidermis

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11
Q

the layer we see when we look at the skin and it is the layer cared for by salon products and services

A

stratum corneum

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12
Q

a fibrous protein that is also the principal component of hair and nails

A

keratin

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13
Q

the spiny layer just about the stratum germinativum. the spiny layer where the process of skin cell shedding begins

A

stratum spinosum

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14
Q

more commonly known as the basal cell layer, is the deepest layer of the epidermis

A

stratum germinativum

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15
Q

the basal cell layer also contains special cells called ___________, which produces the dark skin pigment called melanin

A

melanocytes

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16
Q

also known as derma, corium, cutis or true skin, is the underlying or inner layer of the skin

A

dermis

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17
Q

the highly sensitive ______ layer of connective tissue is about 25 times thicker than the epidermis

18
Q

are the small involuntary muscles in the base of the hair follicle that cause goose bumps and papillae

A

Arrector Pili muscles

19
Q

the outer most layer of the dermis, directly beneath the epidermis.

A

papillary layer

20
Q

small, cone shaped elevations at the base of the hair follicles

A

dermal papillae

21
Q

where is the dermal papillae locates

A

within the papillary layer

22
Q

top of the papillary layer where it joins the epidermis is called the

A

epidermal-dermal junction

23
Q

the deeper layer of the dermis that supplies the skin with all of its oxygen and nutrients

A

reticular layer

24
Q

also known as adipose tissue or subcutis tissue, is the fatty tissue found below the dermis

A

subcutaneous tissue

25
what carry impulses from the brain to the muscles
motor nerves
26
these sensory receptors send messages to the brain
sensory nerve fibers
27
the ________ layer of the dermis houses the nerve endings that provide the body with the sense of touch, pain, heat, cold. and pressure
papillary
28
tiny grains of pigment that are produced by melanocytes and then deposited into the basal layer of the epidermis and the papillary layers of the dermis
melanin
29
red to yellow in color
pheomelanin
30
dark brown to black in color
eumelanin
31
helps protect sensitive sells from the sun’s UV light
melanin
32
the skin gets its strength, form, and flexibility from two specific structures found within the dermis
collagen | elastin
33
gives the skin it’s flexibility and elasticity
elastin
34
also known as oil glands are connected to the hair follicles
sebaceous glands
35
when the sebum hardens and the duct becomes clogged a pore impaction called an _____________ also known as a black head, is formed
open comedo
36
a _______ also known as a _________ is a small elevation on the skin that contains no fluid but my develop pus.
papule | pimple
37
makes up to 50-70% of the body’s weight and it necessary for virtually every function of the cells and body
water
38
supports the overall health of the skin and aids in the health, function and repair of skin cells. It has been shown to improve the akin’s elasticity and thickness
Vitamin A
39
Vitamin ____ is virtually important in fighting the aging process and promotes the production of collagen in the skin’s dermal tissues, keeping the skin healthy & firm
C
40
enables the body to properly absorb and use calcium
Vitamin D