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Cosmetology > Histology Of The Skin > Flashcards

Histology Of The Skin Flashcards

1
Q

The medical branch of science that deals with the study of the skin and it’s nature, structure, functions, diseases, and treatment is called ______.

A

Dermatology

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2
Q

The skin varies in thickness and is found to be the thinnest on ________.

A

Eyelids

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3
Q

 The skin is the thickest on the _____.

A

Palms and soles

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4
Q

The outer most layer of the skin which is commonly called the cuticle or scarf skin is technically the ______.

A

Epidermis

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5
Q

The horny layer of the skin which contains scale like cells which are continuously shed is called the _______.

A

Stratum Corneum

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6
Q

The clear layer of the epidermis that consists of small, transparent cells through which light can pass is called the

A

Stratum lucidum

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7
Q

The layer formally known as stratum mucosum which is composed of several layers of different shaped cells and contains dark skin pigment is called the

A

Stratum Germinativum

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8
Q

The underlying or inner layer of the skin, which is also called the corium, cutis or true skin is the _____.

A

Dermis

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9
Q

The dermis is made up of two layers: 

A

Papillary & Reticular

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10
Q

The fatty layer found beneath the dermis is called _____.

A

Subcutaneous

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11
Q

Nerve fibers which are distributed to the arrector pili muscles attached to hair follicles are the ______.

A

Motor Nerve Fibers

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12
Q

Nerve fibers which react to heat, cold, touch, pressure and pain are the _____.

A

Sensory Nerve Fibers

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13
Q

Nerve fibers which are distributed to the sweat and oil glands of the skin and regulate the excretion of perspiration and control the flow of sebum to the skin surface are the _____.

A

Secretory Nerve Fibers

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14
Q

Nerve endings are most abundant in the _____.

A

Fingertips

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15
Q

As we age, elastin fibers naturally weaken, causing a loss of ______.

A

Elasticity

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16
Q

The skin contains two types of duck glands that extract materials from the blood to form new substances. They are ______ & _____.

A

Sudoriferous & Sebaceous glands

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17
Q

Sweat glands consist of a coiled base or _____ and a tubelike duck that terminates at the skin surface to form the sweat pour.

A

Fundus

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18
Q

The principal functions of the skin are protection, sensation, heat regulation and _________, __________, & _________.

A

Excretion
Secretion
Absorption

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19
Q

Approximately _______ of the skins aging is caused by the rays of the sun.

A

80% - 85%

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20
Q

90% - 95% of the suns ultraviolet rays that reach the earth surface are called _____ rays

A

UVA

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21
Q

While they can be damaging to the skin, _____ rays do contribute to the body’s synthesis of vitamin D and other important materials. 

A

UVB

22
Q

Children under the age of ___ should not be exposed to the sun.

A

6 months

23
Q

A small, discolored spot or patch on the surface of the skin, such as a freckle, is a _____.

A

Macule

24
Q

An abnormal cell mass varying in size, shape and color is a _____.

A

Tumor

25
Q

A closed, abnormally developed sac, containing fluid, semi fluid, or morbid matter, above or below the skin is a _____.

A

Cyst

26
Q

An accumulation of epidermal flakes, dry or greasy, is known as a _____.

A

Scale

27
Q

A skin sore or abrasion produced by scratching or scraping is known as a ______.

A

Excoriation

28
Q

A thick scar resulting from excessive growth of fibrous tissue is called ____.

A

Keloid

29
Q

And inflamed pimple containing pus is known as a ______.

A

Pustule

30
Q

A crack in the skin that penetrates the dermis is a ______.

A

Fissure

31
Q

The technical term for whiteheads is _____.

A

Milia

32
Q

The technical term for excessive perspiration is _____.

A

Hyperhidrosis

33
Q

The technical term for freckles is _____.

A

Lentigines

34
Q

Congenital absence of melanin pigment of the body is known as ______.

A

Albinism

35
Q

The technical term for birthmark is _____.

A

Nevus

36
Q

The technical term for callus is _____.

A

Keratoma

37
Q

A small brownish spot or blemish on the skin ranging in color from pale, tans, brown, or bluish black is a _____.

A

Mole

38
Q

The technical term for wart is ____.

A

Verruca

39
Q

Fatal skin cancer that starts with a mole is _____.

A

Malignant melanoma

40
Q

A skin disease characterized by red patches covered with white – silver scales usually found on the scalp, elbows, knees, chest, and lower back is _______.

A

Psoriasis

41
Q

An inflammatory, painful itching disease of the skin, acute or chronic in nature, presenting many forms of dry or moist lesions, is known as _____.

A

Eczema

42
Q

The recurring virus infection commonly called fever blisters is known as _____.

A

Herpes Simplex

43
Q

A sebaceous cyst which is a subcutaneous tumor of the sebaceous gland is known as _______.

A

Steatoma

44
Q

A condition of dry, scaly skin due to a deficiency or absence of sebum, caused by aging and exposure to the cold is ____.

A

Asteatosis

45
Q

A chronic inflammatory congestion of the cheeks and nose which is characterized by redness, dilation of the blood vessels and the formation of papules and pustules is known as ____.

A

Rosacea

46
Q

A condition characterized by increased pigmentation on the skin, in spots that are not elevated, is known as ______.

A

Chloasma

47
Q

An erruptive skin infection caused by contact with irritating substances such as chemicals or tints is _______.

A

Dermatitis Venenata

48
Q

A skin disordered characterized by light abnormal patches; caused by a burn or congenital disease that destroys the pigment – producing cells is called

A

Leukoderma

49
Q

________ plays an important role in the skins health, often aiding in healing, softening and fighting diseases of the skin.

A

Vitamins

50
Q

It is estimated that ____ percent of Americans are chronically dehydrated. 

A

75%

Cosmetology (10 decks)

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