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dermatologic terms
Term | Definition |
---|---|
Actinic | Pertaining to ultra violet light |
Amelanotic | without pigment |
circinate | circular |
circumscribed | limited to a certain area by sharply define border |
coalesce | to merge one with another |
comedo | plug in a skin duct containing keratin (open, blackhead; close, whitehead) |
cytotoxic | toxic to cells |
dermatome | area of skin supplied by a single dorsal nerve root |
dermatophyte | fungus that enters the skin's surface, causing infection |
desquamation | scaling, peeling of epidermis |
discoid | coin-like |
eczematous | general term for disease process characterized by scaling, weeping, crusting, and inflammation |
erythema | redness |
exacerbation | worsening of disease state |
exfoliative | shedding of skin in fairly large quantities |
folliculitis | hair follicle inflammation |
guttate | small, water drop-sized lesions, usually widespread |
hives | spontaneously occuring wheals |
hyperkeratosis | thickening of stratum corneum, usually from repeated pressure or friction |
hyperpigmentation | increased or excessive skin pigmentation (melanin), causing an area of skin to be darker than surrounding areas |
hypopigmentation | decreased pigmentation |
indurated | hard (tissue) |
intertrigo | irritation of body areas with opposing skinfolds that are subject to friction |
lesion | detectable change from normal skin structure |
maceration | tissue softening or disintegration from excessive moisture |
milia | small, white papules |
perioral | around the mouth |
periungual | under the nail plate |
pigmentation | degree of skin or mucous membrane color |
plantar | pertaining to sole of the foot |
polymorphic | existing in many forms |
pruritis | ithcing |
punctate | pinpoint or dot-shaped |
sclerosis | hardening or induration of skin |
sebum | lipid excretion produced by sebaceous glands |
tautness | degree of skin tightness |
texture | tactile or visual skin characteristics (coarseness, dryness) |
ultraviolet ligh | electromagnetic radiation from the sun (wavelengths 4-400nm) |
urticaria | wheals (hives) |
verruca | lesion characterized by surface roughness (wart) |
wheal | lesion found in hives |