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mri med term > Chapter 16: Skin > Flashcards

Chapter 16: Skin Flashcards

1
Q

adipocyte

A

fat cell

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2
Q

albinism

A

condition of skin deficient in pigment

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3
Q

apocrine sweat gland

A

one of the large exocrine glands located in the axilla and genital areas
- secretes sweat combined with bacteria makes body odor

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4
Q

basal layer

A

deepest region of the epidermis
-gives rise to all epidermal cells

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5
Q

collagen

A

structural protein found in the skin and connective tissue

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6
Q

cuticle

A

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

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7
Q

dermis

A

middle layer of the skine

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8
Q

eccrine sweat gland

A

most numerous sweat producing exocrine gland in the skin

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9
Q

epidermis

A

outmost layer of the skin

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10
Q

epithelium

A

layer of skin cells forming the outer and inner surfaces of the body

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11
Q

hair follicle

A

sac within which each hair grows

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12
Q

integumentary system

A

the skin and its accessory structures such as hair and nails

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13
Q

keratin

A

hard protein material found in the epidermis, hair, and nails.
- keratin means horn, commonly found in horns of animals

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14
Q

lunula

A

half moon shaped, whitish area at the base of the nail

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15
Q

melanin

A

skin pigment
- formed by melanocytes in epidermis

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16
Q

eumelanin

A

brown-black pigment

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17
Q

phebmelanin

A

red-yellow

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18
Q

paronychium

A

soft tissue surrounding the nail border

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19
Q

pore

A

tiny opening on the surface of the skin

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20
Q

sebaceous gland

A

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

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21
Q

sebum

A

oily substance secreted by sebaceous glands

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22
Q

squamous epithelium

A

flat. scale like cells composing the epidermis

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23
Q

stratified

A

layers

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24
Q

stratum/ strata

A

a layer of cells

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25
Q

stratum corneum

A

outmost layer of the epidermis, which consists of flattened, keratinized cells

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26
Q

subcutaneous layer

A

innermost layer of the skin
- contains fat tissue

27
Q

diaphoro

A

profuse sweating

28
Q

lesion

A

area of abnormal tissue anywhere on the body

29
Q

crust

A

collection of dried serum and cellular debris

30
Q

cyst

A

thick-walled, closed sac or pouch containing fluid or semisolid material

31
Q

pilonidal cyst

A

found over the sacral area of the midline
- contains hair

32
Q

epidermoid cyst

A

yellowish, cheesy sebum on the scalp, vulva, and scrotum

33
Q

erosion

A

wearing away or loss of epidermis

34
Q

fissure

A

groove or crack-like sore

35
Q

macule

A

flat, pigmented lesion measuring less than 1cm in diameter

36
Q

nodule

A

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

37
Q

papule

A

small (less than 1 cm in diameter), solid elevated skin
- ex: skin tag & pimples

38
Q

pustule

A

papule containing pus

39
Q

ulcer

A

open sore on the skin or mucous membranes (deeper erosions)

40
Q

decubitus ulcer

A

bed sores

41
Q

vesicle

A

small collection of clear fluid (serum)
blister

42
Q

wheal

A

smooth, edematous (swollen) papule or plaque that is centrally redder than the surrounding skin

43
Q

alopecia

A

absence of hair from areas where it normally grows

44
Q

ecchymosis

A

blueish-purplish mark (bruise) on the skin

45
Q

petechia

A

small, pinpoint hemorrhage

46
Q

pruritus

A

itching

47
Q

acne

A

chronic papular and pustular eruption of the skin with increased production of sebum

48
Q

acne vulgaris

A

caused by a buildup of sebum and keratin in the pores

49
Q

comedo
comedone

A

blackhead

50
Q

whitehead

A

sebum plug that partially blocks pore

51
Q

burns

A

injury to tissues caused by heat contact

52
Q

first degree burns

A

superficial epidermal lesions, erythema, hyperesthesia, and no blisters

53
Q

second degree burns (partial-thickness burn injury)

A

epidermal and dermal lesions,, erythema, blsiters, and hyperesthesia.
- wound is painful and very sensitive to touch and air currents

54
Q

third degree burns (full-thickness burn injury)

A

epidermis and dermis are destroyed and subcutaneous layer is damaged , leaving scarred white tissue

55
Q

cellulitis

A

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

56
Q

eczema

A

inflammatory skin disease with erythematous, papulovesicular or papulosquamous lesions

57
Q

atopic dermatitis

A

rash often begins on face, hands, and at elbow crease or back of the kneea

58
Q

topy

A

out of place or unusual

59
Q

rubela

A

german measles

60
Q

rubeola

A

measles

61
Q

varicella

A

chickenpox

62
Q

gangrene

A

death of tissueassociated with lost blood supply

63
Q

impetigo

A

bacterial inflammatory skin disease characterized by vesicles, pustules, and crusted over lesions

64
Q

psoriasis

A

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

mri med term (36 decks)

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