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Common Skin Disorder
A&P CH6 Skin and the Integumentary System Common Skin Disorders
| Term | Definition |
|---|---|
| acne | disease of the sebaceous glands that produces blackheads and pimples |
| alopecia | hair loss, usually sudden |
| athlete’s foot | fungus infection usually in the skin of the toes and soles |
| birthmark | congenital blemish or spot on the skin, visible at birth or soon after |
| boil | bacterial infection (furuncle) of the skin produced when bacteria enter a hair follicle |
| carbuncle | bacterial infection, similar to a boil, that spreads into the subcutaneous tissues |
| cyst | liquid-filled sac or capsule |
| dermatitis | inflammation of the skin |
| eczema | non-contagious skin rash that produces itching, blistering, and scaling |
| erythema | reddening of the skin due to dilation of dermal blood vessels in response to injury or inflammation |
| herpes | infectious disease of the skin, usually caused by the herpes simplex virus and characterized by recurring formations of small clusters of vesicle |
| impetigo | contagious disease of bacterial origin, characterized by pustules that rupture and become covered with loosely held crusts |
| keloid | elevated, enlarging fibrous scar usually initiated by an injury |
| mole | fleshy skin tumor (nevus) that is usually pigmented; colors range from brown to black |
| pediculosis | disease produced by an infestation of lice |
| pruritus | itching of the skin |
| psoriasis | chronic skin disease characterized by red patches covered with silvery scales |
| pustule | elevated, pus-filled area on the skin |
| scabies | disease resulting from an infestation of mites |
| seborrhea | hyperactivity of the sebaceous glands, causing greasy skin and dandruff |
| ulcer | open sore |
| urticaria | allergic reaction of the skin that produces reddish, elevated patches (hives) |
| wart | flesh-colored, raised area caused by a viral infection |