Definitions Flashcards
loss of surface epithelium down to CT and often appears depressed
Ulceration
present in large quantity
Copious
hardened
Indurated
base is the widest part of an elevated lesion
Sessile
red in color
Erythematous
general term used to denote pathologic or traumatic change in tissue
Lesion
flat area of hemorrhage larger than 1 cm
Ecchymosis
bruise
fluid filled, elevated, superficial, > 5mm in diameter
Bulla
dried blood, serum, or purulent exudate on skin surface
Crust
solid, raised lesion < 5mm in diameter
Papule
scalloped
Crenated
area of color change not elevated or depressed in relation to its surroundings (flat) that is > 2cm in diameter
Patch
superficial, circumscribed cavity filled with pus (purulent exudate)
Pustule
wavelike on palpation due to fluid content
Fluctuant
narrow, slit-like ulceration or groove
Fissure
exhibiting numerous surface projections
Papillary
flat, round, pinpoint area(s) of hemorrhage < 3mm
Petichia(e)
focal area of color change not elevated or depressed in relation to its surroundings; flat
Macule
lines forming a skin pattern
dermatoglyphics
exhibiting a rough, warty surface
Verrucous
solid, raised lesion > 5mm in diameter
Nodule
fluid-filled, elevated, superficial, < 5 mm in diameter
Vesicle
superficial, partial loss of surface epithelium
may arise secondarily from rupture of bulla (blister)
Erosive
base of an elevated lesion is narrower than the widest part
Pedunculated
grows on stalk
hemorrhage into the skin > 3mm, but < 1 cm
purpura
flakes of retained surface keratin
scale
slightly elevated and generally flat
Plaque
Homonym of plaque = soft white deposit that accumulates on teeth
