Integument Terms

Question 1

acantholysis

Answer 1

separation between keratinocytes • usually stratum spinosum, hence the name

microscopic lesion

Question 2

acanthosis

Answer 2

↑ed # of cells in the stratum spinosum

microscopic lesion

Question 3

acral

Answer 3

pertaining to distal extremities

Question 4

atopy

Answer 4

inherited hypersensitivity to contact or inhaled (?) allergens

results in pruritic skin disease

Question 5

Bulla

Answer 5

large blister

a bulla is larger than a vesicle, but the process is the same

Question 6

callus

Answer 6

localized hyperkeratosis

• due to chronic irritation
• especially in skin over bony prominences

Question 7

comedo

Answer 7

plug of keratin & sebum in the ostium and lumen of a hair follicle

Question 8

crust

Answer 8

surface accumulation of dried serum, exudates, blood, keratin

Question 9

epidermal collarette

Answer 9

ring of keratin scale on the epidermal surface at the periphery of a skin lesion

a macroscopic & surface lesion

Question 10

epidermitis

Answer 10

inflammation concentrated in the epidermis

Question 11

epidermolysis

Answer 11

separation between epidermis and dermis

Question 12

erythema

Answer 12

reddening of skin

Question 13

folliculitis

Answer 13

inflammation of hair follicle

Question 14

furunculosis

Answer 14

nodular inflammation around or adjacent to a ruptured hair follicle

Question 15

hyperkeratosis

Answer 15

increased thickness of stratum corneum

• orthokeratotic hyperkeratosis
• parakeratotic hyperkeratosis

Question 16

orthokeratotic hyperkeratosis

Answer 16

without nuclear retention

1 - lamellar
—keratin appears as individual layers

2 - compact
—the individual layers are compacted together
—often an indicator of self-trauma bc of pruritus

Question 17

parakeratotic hyperkeratosis

Answer 17

with nuclear retention

Question 18

macule

Answer 18

circumscribed color change in skin w/o change in texture or thickness
• color can be derived from blood or melanin

a macroscopic lesion

Question 19

nodule

Answer 19

roughly spherical solid bump or swelling, intermediate in size between a papule and a mass

Question 20

panniculitis

Answer 20

inflammation of subcutis

Question 21

papule

Answer 21

small solid bump in skin (papule < nodule < mass)

Question 22

plaque

Answer 22

flat elevation of skin (often with crust formation)

Question 23

pruritus

Answer 23

sensation of itching

Question 24

pustule

Answer 24

small aggregate of pus
• microscopic to a few mm in diameter
• usually within or just beneath epidermis

Question 25

pyoderma

Answer 25

suppurative inflammation of skin

Question 26

seborrhea

Answer 26

literally, flowing of sebum | • but used to describe scaling of skin

Question 27

spongiosis

Answer 27

widened intercellular space between epidermal keratinocytes due to edema

Question 28

vesicle

Answer 28

tiny blister (vesicle < bulla)