Quiz 1 Flashcards
Lesion
-a general term to denote a pathologic or traumatic change in the tissue
Macule
size and shape-focal area of color change not elevated or depressed in relation to its surroundings; flat
Papule
size and shape-solid, raised lesion less than 5mm in diameter
Nodule
size and shape-solid, raised lesion greater than 5mm in diameter
Erythematous
color-red in color due to dilation and congestion of capillaries
Sessile
mode of attachment-base is the widest part of an elevated lesion
Pedunculated
mode of attachment-base of an elevated lesion is narrower than the widest part
Papillary
surface texture-exhibiting numerous surface projections
Verrucous
surface texture-exhibiting a rough, warty surface
Erosive
surface texture-superficial, partial or total loss of surface epithelium; may arise secondarily from rupture of bulla (blister)
Ulcerated
surface texture-loss of surface epithelium down to the connective tissue, often appears depressed
Fissure
surface-narrow, slit like ulceration or groove
Plaque
surface-slightly elevated and generally flat; (homonym of “plaque” which is the soft white deposit that accumulates on teeth)
Petechia(e)
surface-flat, round, pinpoint area(s) of hemorrhage, usually 3mm or less
Purpura
surface-hemorrhage into the skin, larger than petechia, but less than 1cm