micro and macro definitions Flashcards

1
Q

erythema

A

redness

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2
Q

macule

A

flat lesion

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3
Q

patch

A

a large molecule (

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4
Q

papule

A

a raised lesion

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5
Q

plaque

A

a large papule (> 1 cm)

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6
Q

vesicle

A

a blister

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7
Q

bulla

A

a big blister

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8
Q

pustule

A

a blister that contains pus

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9
Q

acantholysis

A

loss of intercellular cohesion between keratinocytes

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10
Q

acanthosis

A

diffuse epidermal hyperplasia

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11
Q

exocytosis

A

infiltration of the epidermis by inflammatory cells

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12
Q

hyperkeratosis

A

thickening of the stratum corneum,

often associated with a qualitative abnormality of the keratin

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13
Q

parakeratosis

A

keratinization with retained nuclei in the stratum corneum

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14
Q

papillomatosis

A

surface elevation caused by hyperplasia and enlargement of contiguous dermal papillae

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15
Q

spongiosis

A

edema of the epidermis

all acute eczematous dermatitis

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16
Q

ulceration

A

discontinuity of the skin showing complete loss of the epidermis

17
Q

which disorder involves thickening of the stratum corneum

A

hyperkeratosis

hyper = more
keratin is in the stratum corneum?

18
Q

discontinuity of the skin showing complete loss of the epidermis

A

ulceration

19
Q

surface elevation caused by hyperplasia and enlargement of contiguous dermal papillae

A

papillomatosis

20
Q

keratinization with retained nuclei in the stratum corneum

A

parakeratosis

21
Q

diffuse epidermal hyperplasia

A

acanthosis

22
Q

loss of intercellular cohesion between keratinocytes

A

acantholysis

23
Q

flat lesion

A

macule

24
Q

a raised lesion

A

papule

25
Q

a blister

A

vessicle

26
Q

a big blister

A

bulla

27
Q

a blister that contains pus

A

pustule

28
Q

a large macule,

A

patch

29
Q

a large papule, > 1 cm

A

plaque

30
Q

redness

A

erythema