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skin disorders ch 8
| Question | Answer |
|---|---|
| congenital hypopigmentation, or absence of melanin pigment of the body, including the skin, hair, and eyes | albinism |
| an allergy to an ingredient or a chemical, usually caused by repeated skin contact with the chemical | allergic contact dermatitis |
| cannot survive in the presence of oxygen | anaerobic |
| deficiency in perspiration, often a result of fever or certain skin diseases | anhidrosis |
| most common and least severe type of skin cancer; often characterized by light or pearly nodules | basal cell carcinoma |
| foul smelling perspiration, usually noticeable in the armpits or on the feet, that is caused by bacteria | bromhidrosis |
| large blister containing a watery fluid; similar to a vesicle but larger | bulla |
| condition characterized by hyperpigmentation on the skin in spots that are not elevated; liver spots | chloasma |
| hair follicle is closed and not exposed to the environment; sebum remains a white or cream color and comedone appears as a small bump just under the skin surface; whitehead | closed comedo |
| common bacterial infection of the eyes; extremely contagious; pinkeye | conjunctivitis |
| an inflammation of the skin caused by having contact with certain chemicals or substances; many of these substances are used in cosmetology | contact dermatitis |
| dead cells that form over a wound or blemish while it is healing; an accumulation of sebum and pus, sometimes mixed with epidermal material | crust |
| closed, abnormally developed sac that contains fluid, pus, semifluid, or morbid matter above or below the skin | cyst |
| inflammatory condition or the skin | dermatitis |
| abnormal colorations of the skin that accompany many skin disorders and systemic disorders | dyschromias |
| an inflammatory, uncomfortable, and often chronic disease of the skin, characterized by moderate to severe inflammation, scaling, and sometimes severe itching | eczema |
| skin sore or abrasion produced by scratching or scraping | excoriation |
| primarily environmental factors that contribute to aging and the appearance of aging | extrinsic factors |
| a crack in the skin that penetrates the dermis. examples are severely cracked and/or chapped hands or lips | fissure |
| unstable molecules that cause biochemical aging, especially wrinkling and sagging of the skin | free radicals |
| recurring viral infection that often presents as a fever blister or cold sore | herpes simplex |
| excessive sweating, caused by heat or general body weakness | hyperhidrosis |
| darker than normal pigmentation, appears as dark splotches | hypopigmentation |
| contagious bacterial skin infection characterized by weeping lesion | impetigo |
| skin aging factors over which we have little control | intrinsic factors |
| occurs when irritating substances temporarily damage the epidermis | irritant contact dermatitis |
| thick scar resulting from excessive growth of fibrous tissue | keloid |
| acquired, superficial, thickened patch of epidermis. a callus is a keratoma caused by continued, repeated pressure or friction on any part of the skin, especially on the hands and feet | keratoma |
| technical term for freckles | lentigines |
| mark on the skin; may indicate an injury or damage that changes the structure of tissues or organs | lesion |
| hypopigmentation caused by a burn or congenital disease that destroys the pigment producing cells | leukoderma |
| slat spot or discoloration on the skin; a freckle or healed pimple | macule |
| most serious skin cancer; black or dark brown patches that appear uneven in texture, jagged, or raised | malignant melanoma |
| benign, keratin filled cysts that can appear just under the epidermis and have no opening | milia |
| acute inflammatory disorder of the sweat glands; prickly heat | miliaria rubra |
| small brownish spot or blemish on the skin | mole |
| also known as birthmark | nevus |
| solid bump that can easily be felt | nodule |
| product proven not to clog follicles | noncomedogenic |
| lesion that is a different color that the skin and raised | primary lesion |
| red patches covered with silver-white scaled | psoriasis |
| hereditary tendency for acne prone skin to retain dead skin cells in the follicle | retention hyperkeratosis |
| chronic condition that appears primarily on the cheeks and nose | rosacea |
| any thin dry or oily plate of epidermal flakes | scale |
| lightly raised mark on the skin formed after injury or lesion of the skin has healed | scar |
| large protruding pocket like lesion filled with sebum | sebaceous cyst |
| skin condition caused by inflammation of the sebaceous glands | seborrheic dermatitis |
| characterized by piles of material on the surface of the skin, such as a crust or scab | secondary skin lesion |
| allergic reaction caused by repeated exposure to a chemical or substance | sensitization |
| small brown colored or flesh colored outgrowth of the skin | skin tag |
| type of skin cancer more serious that basal cell carcinoma often characterized by scaly red papules or nodules | squamous cell carcinoma |
| abnormal brown colored or wine colored skin discoloration with a circular or irregular shape | stain |
| caused by sun exposure or ultraviolet light | tan |
| distended or dilated surface blood vessels | telangiectasis |
| abnormal, rounded, solid lump above, within, or under the skin | tubercle |
| an abnormal mass varying in size, shape, and color | tumor |
| open lesion on the skin accompanied by pus and loss of skin depth | ulcer |
| also known as wart | verruca |
| small blister or sac containing clear fluid, lying within or just beneath the epidermis | vesicle |
| hereditary condition that causes hypopigmentation spots and splotches on the skin | vitiligo |
| itchy, swollen lesion that lasts only a few hours | wheal |