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Skin Injuries +aller

MEDOP 230- Dermatology: Skin Injuries and Allergic reactions

TermDefinition
Abrasion Sliding or scraping injury that mechanically removes the epidermis.
Blister Fluid-filled sac with a thin, transparent covering of epidermal cells; caused by repetitive rubbing injury.
Burns Caused by heat, hot objects, steam, boiling water, electricity, chemicals, and radiation. •Superficial•Partial-thickness•Full thickness
Callus Thickened, elevated pad on the dermis caused by repetitive rubbing.
Cicatrix Collagen that forms as an injury heals; a scar.
Excoriation Superficial injury with a sharp object that creates a linear scratch on the skin.
Keloid Firm abnormally large scar that grows larger than the original injury due to overproduction of collagen.
Laceration Linear penetrating wound; may have clean-cut edges or torn, ragged edges.
Pressure injury Ulcer in the skin caused by epidermal and dermal breakdown; associated with constant pressure on the skin that decreases blood flow over bony areas.
Contact dermatitis. Dermatitis caused by physical contact with an allergen or irritant like deodorant, soap, makeup, or urine
Urticaria Local allergic reaction to food, plants, animals, insect bites, or drugs; caused by release of histamines and involves raised areas of redness and edema that occur suddenly. •Hives•Wheals•Welts
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