Ch. 16: Skin Flashcards

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1
Q

crust

A

collection of dried serum and cellular debris

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2
Q

cyst

A

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

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3
Q

erosion

A

wearing away or loss of epidermis

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4
Q

fissure

A

groove or crack-like sore

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5
Q

macule

A

flat, pigmented lesion measuring less than 1 cm in diameter

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6
Q

nodule

A

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

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7
Q

papule

A

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

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8
Q

pustule

A

papule containing pus

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9
Q

ulcer

A

open sore on the skin or mucous membranes (deeperr erosion)

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10
Q

vesicle

A

small collection of clear fluid (serum); blister

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11
Q

wheal

A

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

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12
Q

alopecia

A

absence of hair from areas where it normally grows

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13
Q

ecchymosis

A

bluish-purplish mark (bruise) on the skin

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14
Q

petechia

A

small, pinpoint hemorrhage

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15
Q

pruritus

A

itching

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16
Q

acne

A

chronic papular and pustular eruption of the skin with increase production of serum

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17
Q

burns

A

injury to tissues caused by heat contact

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18
Q

cellulitis

A

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

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19
Q

eczema
(atopic dermatitis)

A

inflammatory skin disease with erythematous, papulovesicular, or papulosquamous lesions

20
Q

exanthematous viral diseases

A

rash (exanthem) of the skin due to a viral infection

21
Q

gangrene

A

death of tissue associated with loss of blood supply

22
Q

impetigo

A

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

23
Q

psoriasis

A

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

24
Q

scabies

A

contagious, parasitic infection of the skin with intense pruritus

25
Q

scleroderma

A

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

26
Q

systemic lupus erythematosus (SLE)

A

chronic autoimmune inflammtaory disease of collagen in skin, joints, and internal organs

27
Q

tinea

A

infection of the skin caused by a fungus

28
Q

urticaria (hives)

A

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

29
Q

vitiligo

A

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

30
Q

callus

A

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

31
Q

keloid

A

excess hypertrophied, thickened scar developing after trauma or surgical incision

32
Q

keratosis

A

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

33
Q

leukoplakia

A

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

34
Q

nervus

A

pigmented lesion of the skin

35
Q

verruca

A

epidermal growth (wart) caused by a virus

36
Q

basal cell carcinoma

A

malignant tumor of the basal cell layer of the epidermis

37
Q

squamous cell carcinoma

A

malignant tumor of the squamous epithelial cells in the epidermis

38
Q

malignant melanoma

A

cancerous growth composed of melanocytes

39
Q

kaposi sarcoma

A

malignant, vascular, neoplastic growth characterized by cutaneous nodules

40
Q

bacterial analyses

A

samples of skin are examined for presence of microorganisms

41
Q

fungal tests

A

scrapings from skin lesions, hair specimens, or nail clippings are sent to a laboratory for culture and microscopic identification of fungal infection

42
Q

cryosrugery

A

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

43
Q

curettage

A

use of a sharp dermal curette to scrape away a skin lesion

44
Q

electrodesiccation

A

tissue is destroyed by burning with an electric spark

45
Q

Mohs surgery

A

thin layers of malignant tissue are removed, and each slice is examined microscopically to check for adequate extent of the resection

46
Q

skin biopsy

A

suspicious skin lesions are removed or sampled and examined microscopically by a pathologist

47
Q

skin test

A

substances are injected intradermally or applied to the skin, and results aer observed