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Med Term - Exam 4 > Chap 16 - Skin Textbook > Flashcards

Chap 16 - Skin Textbook Flashcards

1
Q

Epidermis

A

a thin, cellular membrane layer; containing keratin

squamous epithelium

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2
Q

Dermis

A

dense, fibrous, connective tissue layer; containing collagen

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3
Q

Subcutaneous layer

A

thick, fat-containing tissue

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4
Q

adipocyte

A

fat cell

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5
Q

albino

A

person w/ skin deficient in pigment (melanin)

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6
Q

apocrine sweat gland

A

One of the large dermal exocrine glands located in the axilla and genital areas.

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7
Q

basal layer

A

Deepest region of the epidermis; it gives rise to all the epidermal cells.

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8
Q

collagen

A

Structural protein found in the skin and connective tissue.

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9
Q

cuticle

A

Band of epidermis at the base and sides of the nail plate

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10
Q

dermis

A

Middle layer of the skin

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11
Q

eccrine sweat gland

A

Most numerous sweat-producing exocrine gland in the skin.

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12
Q

epidermis

A

Outermost layer of the skin

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13
Q

epithelium

A

Layer of skin cells forming the outer and inner surfaces of the body.

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14
Q

hair follicle

A

Sac within which each hair grows

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15
Q

integumentary system

A

The skin and its accessory structures such as hair and nails

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16
Q

keratin

A

Hard protein material found in the epidermis, hair, and nails. Keratin means horn and commonly is found in the horns of animals.

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17
Q

lunula

A

Half-moon–shaped, whitish area at the base of a nail.

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18
Q

melanin

A

Skin pigment. It is formed by melanocytes in the epidermis. Eumelanin is brown-black pigment, while pheomelanin is red-yellow.

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19
Q

paronychium

A

Soft tissue surrounding the nail border.

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20
Q

pore

A

Tiny opening on the surface of the skin.

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21
Q

sebaceous gland

A

Oil-secreting gland in the dermis that is associated with hair follicles.

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22
Q

sebum

A

Oily substance secreted by sebaceous glands.

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23
Q

squamous epithelium

A

Flat, scale-like cells composing the epidermis.

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24
Q

stratified

A

Arranged in layers.

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25
Q

stratum

A

A layer (of cells).

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26
Q

stratum corneum

A

Outermost layer of the epidermis, which consists of flattened, keratinized cells.

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27
Q

subcutaneous layer

A

Innermost layer of the skin, containing fat tissue.

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28
Q

adip/o

A

fat

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29
Q

albin/o

A

white

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30
Q

caus/o

A

burn, burning

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31
Q

cauter/o

A

heat, burn

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32
Q

cutane/o

A

skin

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33
Q

derm/o, dermat/o

A

skin

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34
Q

diaphro/o

A

profuse sweating

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35
Q

erythem/o, erythemat/o

A

redness

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36
Q

hidr/o

A

sweat

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37
Q

ichthy/o

A

dry, scaly

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38
Q

kerat/o

A

hard

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39
Q

leuk/o

A

white

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40
Q

lip/o

A

fat

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41
Q

melan/o

A

black

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42
Q

anthrac/o

A

black (as coal)

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43
Q

chlor/o

A

green

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44
Q

cirrh/o

A

tawny yellow

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45
Q

cyan/o

A

blue

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46
Q

eosin/o

A

rosy

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47
Q

erythr/o

A

red

48
Q

jaund/o

A

yellow

49
Q

lute/o

A

yellow

50
Q

poli/o

A

gray

51
Q

xanth/o

A

yellow

52
Q

myc/o

A

fungus

53
Q

onych/o

A

nail

54
Q

phyt/o

A

plant

55
Q

pil/o

A

hair

56
Q

py/o

A

pus

57
Q

rhytid/o

A

wrinkle

58
Q

seb/o

A

sebum

59
Q

squam/o

A

scale-like

60
Q

steat/o

A

fat

61
Q

trich/o

A

hair

62
Q

ungu/o

A

nail

63
Q

xer/o

A

dry

64
Q

crust

A

Collection of dried serum and cellular debris. (scab)

65
Q

cyst

A

Thick-walled, closed sac or pouch containing fluid or semisolid material.

66
Q

erosion

A

Wearing away or loss of epidermis (bed sore)

67
Q

fissure

A

Groove or crack-like sore.

68
Q

macule

A

Flat lesion measuring less than 1 cm in diameter.

69
Q

nodule

A

Solid, round or oval elevated lesion 1 cm or more in diameter

70
Q

papule

A

Small (less than 1 cm in diameter), solid elevation of the skin.

71
Q

polyp

A

Growth extending from the surface of mucous membrane.

72
Q

pustule

A

Papule containing pus.

73
Q

ulcer

A

Open sore on the skin or mucous membranes (deeper than an erosion).

74
Q

vesicle

A

Small collection (papule) of clear fluid (serum); blister.

75
Q

wheal

A

Smooth, edematous (swollen) papule or plaque that is redder or paler than the surrounding skin. (TB test, hives)

76
Q

alopecia

A

Absence of hair from areas where it normally grows

77
Q

ecchymosis, ecchymoses

A

Bluish-purplish mark (bruise) on the skin.

78
Q

petechia, petechiae

A

small, pinpoint hemorrhage

79
Q

pruritus

A

itching

80
Q

acne

A

Chronic papular and pustular eruption of the skin with increased production of sebum.

81
Q

burns

A

Injury to tissues caused by heat contact.

82
Q

first-degree burns

A

superficial epidermal lesions, erythema, hyperesthesia, and

no blisters.

83
Q

second-degree burns

A

epidermal and dermal lesions, erythema, blisters, and hyperesthesia

84
Q

third-degree burns

A

injury)—epidermis and dermis are destroyed (necrosis of skin), and subcutaneous layer is damaged, leaving charred, white tissue

85
Q

cellulitis

A

Diffuse, acute infection of the skin marked by local heat, redness, pain, and swelling

86
Q

eczema (atopic dermatitis)

A

Inflammatory skin disease with erythematous, papulovesicular, or papalosquamous lesions (assoc w/ allergies)

87
Q

exanthematous viral diseases

A

Rash (exanthem) of the skin due to a viral infection. (rubella, measles, varicella, hand-foot-and mouth disease)

88
Q

gangrene

A

death of tissue assoc w/ loss of blood supplya

89
Q

impetigo

A

Bacterial inflammatory skin disease characterized by vesicles, pustules, and crusted-over lesions.

90
Q

psoriasis

A

Chronic, recurrent dermatosis marked by itchy, scaly, red plaques covered by silvery gray scales

91
Q

scabies

A

Contagious, parasitic infection of the skin with intense pruritus.

92
Q

scleroderma

A

Chronic progressive disease of the skin and internal organs with hardening and shrinking of connective tissue.

93
Q

systemic lupus erythematosus (SLE)

A

Chronic autoimmune inflammatory disease of collagen in skin, joints, and internal organs.

94
Q

tinea

A

infection of the skin caused by a fungus

95
Q

urticaria (hives)

A

Acute allergic reaction in which red, round wheals develop on the skin.

96
Q

vitilligo

A

Loss of pigment (depigmentation) in areas of the skin (milk-white patches).

97
Q

callus

A

Increased growth of cells in the keratin layer of the epidermis caused by pressure or friction.

98
Q

keloid

A

Excess hypertrophied, thickened scar developing after trauma or surgical incision.

99
Q

keratosis

A

Thickened and rough lesion of the epidermis; associated with aging or skin damage.

100
Q

leukoplakia

A

White, thickened patches on mucous membrane tissue of the tongue or cheek (evolves to squamous cell carcinoma)

101
Q

nevus, nevi

A

Pigmented lesion of the skin

102
Q

verruca, verrucae

A

Epidermal growth (wart) caused by a virus.

103
Q

basal cell carcinoma

A

Malignant tumor of the basal cell layer of the epidermis.

104
Q

squamous cell carcinoma

A

Malignant tumor of the squamous epithelial cells in the epidermis.

105
Q

malignant melanoma

A

Cancerous growth composed of melanocytes.

106
Q

Kaposi sarcoma

A

Malignant, vascular, neoplastic growth characterized by cutaneous nodules.

107
Q

bacterial analyses

A

Samples of skin are examined for presence of microorganisms.

108
Q

fungal tests

A

Scrapings from skin lesions, hair specimens, or nail clippings are sent to a laboratory for culture and microscopic examination.

109
Q

cryosurgery

A

Use of subfreezing temperature achieved with liquid nitrogen application to destroy tissue

110
Q

curettage

A

Use of a sharp dermal curette to scrape away a skin lesion.

111
Q

electrodesiccation

A

Tissue is destroyed by burning with an electric spark.

112
Q

Mohs surgery

A

Thin layers of malignant tissue are removed, and each slice is examined under a microscope to check for adequate extent of the resection.

113
Q

skin biopsy

A

Suspected malignant skin lesions are removed and examined microscopically by a pathologist.

114
Q

skin test

A

Substances are injected intradermally or applied to the skin, and results are observed.

115
Q

ABCDE

A

asymmetry (of shape), border (irregularity), color (variation within one lesion), diameter (greater than 6 mm), evolution (change)— characteristics associated with melanoma

116
Q

hair

A

cells filled w/ hard protein keratin

117
Q

nails

A

hard keratin plates covering the toes and fingers

Med Term - Exam 4 (9 decks)

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