Skin Vocab Flashcards
Lesion
any structural abnormality (not limited to skin only)
Primary skin lesion
lesion arising from normal skin
Secondary skin lesion
lesion arising from changes in a primary lesion
Macule
colored area < 0.5 cm diameter
Papule
raised area < 0.5 cm diameter
Patch
colored area > 0.5 cm diameter
Nodule
raised area between 0.5 cm and 2 cm diameters
Plaque
raised area with a diameter > elevation
Vesicle
fluid filled sac < 0.5 cm diameter
Bulla
fluid filled sac > 0.5 cm diameter
Pustule
vesicle that contains pus
Cyst
pocket of skin cells that form a pouch
Wheal
circumscribed circular area of edema (hive)
Urticaria
several hives together; may coalesce into a plaque
Petechiae
red dots < 0.5 cm caused by subdermal bleeding; does not blanch