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sebaceous gland
oil-secreting gland in the dermis that is associated with hair follicles.
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stratum corneum
outermost layer of the epidermis, which consists of flattened, keratinized cells.
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subcutaneous layer
innermost layer of the skin, containing fat tissue
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cyst
thick-walled, closed sac or pouch containing fluid or semisolid material
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fissure
groove or crack-like sore
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macule
flat lesion measuring less than 1 cm in diameter
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papule
small (less than 1 cm in diameter), solid elevation of the skin
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polyp
growth extending from the surface of mucous membrane
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ecchymosis
bluish-purplish mark (bruise) on the skin
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petechia
small, pinpoint hemorrhage
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urticaria (hives)
acute allergic reaction in which red, round wheals develop on the skin
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acne
chronic papular and pustular eruption of the skin with increased production of sebum
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eczema
inflammatory skin disease with erythematous, papulovesicular lesions
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gangrene
death of tissue associated with loss of blood supply
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impetigo
bacterial inflammatory skin disease characterized by vesicles, pustules, and crusted-over lesions
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scabies
contagious, parasitic infection of the skin with intense pruritis
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tinea
infection of the skin caused by a fungus
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keloid
hypertrophied, thickened scar developing after trauma or surgical incision
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keratosis
thickened and rough lesion of the epidermis; associated with aging or skin damage
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verruca
epidermal growth (wart) caused by a virus
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squamous cell carcinoma
malignant tumor of the squamous epithelial cells in the epidermis
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malignant melanoma
cancerous growth composed of melanocytes
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cryosurgery
use of subfreezing temperature via liquid nitrogen application to destroy tissue
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skin test
substances are injected intradermally or applied to the skin, and results are observed.
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