Quiz 1 - Definitions Flashcards
A general term to denote a pathologic or traumatic change in the tissue
lesion
focal area of color change not elevated or depressed in realign to its surroundings; flat
macule
solid, raised lesion less than 5mm in diameter
papule
solid, raised lesion more than 5mm in diameter
nodule
red in color
erythematous
base is the widest part on an elevated lesion
sessile
base on an elevated lesion is narrower than the widest part
pedunculated
exhibiting numerous surface projections
papillary
exhibiting a rough, warty surface
verrucous
superficial, partial or total loss of surface epithelium; may arise secondarily from rupture of bulla (blister)
erosive
loss of surface epithelium down to the connective tissue, often appears depressed
ulcerated
narrow, slit-like ulceration or groove
fissure
slightly elevated and generally flat
plaque
flat, round, pinpoint area(s) of hemorrhage, usually 3mm or less
petechia(e)
hemorrhage into the skin, larger than 3mm but less than 1cm
purpura
flat area of hemorrhage larger than 1cm; bruise
ecchymosis
fluid-filled, elevated, superficial, 5mm or less in diameter
vesicle
fluid-filled, elevated, superficial, greater than 5mm in diameter
bulla
superficial, circumscribed cavity filled with puss (purulent exudate)
pustule
hardened
indurated
wavelike on palpation due to liquid content
fluctuant
present in large quantity
copious
lines forming a skin pattern
dermatoglyphics
scalloped
crenated