Terminology Flashcards
Define macule
flat area of colour change
often due to pigmentary change
Define papule
solid raised lesion <0.5cm diameter
Define nodule
solid raised lesion >0.5cm diameter
Define plaque
palpable scaling raised lesion
diameter greater than height
Define vesicle
raised, clear, fluid-filled lesion <0.5cm diameter
within or beneath epidermis
Define bulla
raised, clear, fluid-filled lesion >0.5cm diameter
Define pustule
vesicle with pus
Define wheal
cutaneous oedema
Define lichenification
well-defined roughening of skin with accentuation of skin markings
Define erythema
redness that blanches on pressure
Define Koebner’s phenomenon
appearance of new skin lesions on previously unaffected skin secondary to trauma
Define abscess
localised accumulation of pus
Define striae
stretch marks
Define fissure
split in epidermis extending to dermis
Define generalised
all over body
Define widespread
extensive
Define localised
restricted to one area of body
Define flexural
body folds eg. groin, neck, antecubital fossa