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| barrier on the surface of the skin formed by sebum and sweat |
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| a chronic inflammatory skin disorder of the sebaceous glands characterized by comedones and blemishes; also known as acne simplex or acne vulgaris |
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| a disorder where clients purposely scrape off acne lesions causing scarring and discoloration |
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| pink or flesh-colored precancerous lesions that feel sharp or rough usually as the result of sun damage |
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| a protective cushion that gives contour and smoothness to the body |
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| the absence of melanin pigment in the body including skin hair and eyes; the albino is at risk for cancer development is sensitive to light and ages early without normal melanin protection (the technical term for albinism is congenital leukoderma) |
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| a deficiency in perspiration often a result of a fever or skin disease which requires medical treatment |
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| coiled structures attached to hair follicles found in the underarm and genital areas |
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| located in the base of the hair follicle; when it contracts the hair stands straight up causing goosebumps |
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| dry scaly skin from sebum deficiency which can be due to aging body disorders alkalies of harsh soaps or cold exposure |
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| dermatitis is generally detected to overreactive immune systems and is prevalent in people with nasal allergies and asthma |
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| short rod-shaped bacteria; the most common bacteria; produce diseases such as tetanus (lockjaw) typhoid fever tuberculosis and diptheria |
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| one-celled microorganisms with both plant and animal characteristics; some are harmful some harmless; also known as microbes or germs |
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| ingrown hairs from shaving |
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| lipid matrix that protects the skin's surface |
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| the most common and the least severe type of skin cancer which often appears as light pearly nodules |
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| disease-causing bacteria or viruses that are carried through the body in the blood or body fluids |
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| foul-smelling perspiration usually in the armpits or on the feet |
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| a large blister containing watery fluid; similar to a vesicle but larger |
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| lipid materials that are a natural part of the intercellular cement |
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| increased pigmentation; liver spots |
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| round bacteria that appear alone or in groups |
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| an open comedo or blackhead; a mass of hardened sebum and skin cells in a hair follicle; when the follicle is filled with an excess of oil a blackhead forms; it is dark because it is exposed to oxygen and oxidizes; closed comedones do not have a follicular opening and are called milia or whiteheads |
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| an allergic reaction from contact with a substance or chemical; poison ivy is a form of allergic contact dermatitis; irritants cause irritant contact dermatitis; occupational disorders from ingredients in cosmetics and chemical solutions can cause contact dermatitis or dermatitis venenata; contact with chemicals can cause skin sensitivity or disorders; allergies and skin eruptions are common |
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| when an object or product has microorganisms in or on it |
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| redness; distended capillaries from weakening of the capillary walls |
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| contamination that occurs when you touch an object such as the skin and then touch an object or product with the same hand or utensil |
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| dead cells form over a wound or blemish while it is healing resulting in an accumulation of sebum and pus sometimes mixed with epidermal material; an example is the scab on a sore |
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| a closed abnormally developed sac containing fluid infection or other matter above or below the skin |
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| removal of pathogens and other substances from tools and surfaces |
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| any inflammatory condition of the skin; various forms of lesions such as eczema vesicles or papules; a type of allergic dermatitis is caused by food substances objects or drugs |
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| live layer of connective tissue below the epidermis |
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| spherical bacteria that grow in pairs and cause diseases such as pneumonia |
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| second highest level of decontamination nearly as effective as sterilization but does not kill bacterial spores; used on hard nonporous surfaces |
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| an inflammatory painful itching disease of the skin acute or chronic in nature with dry or moist lesions; this should be referred to a physician; seborrheic dermatitis mainly affecting oily areas is a common form of eczema |
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| swelling caused by a response to injury or infection |
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| protein fiber found in the dermis |
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| endocrine (ductless) glands |
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| glands (such as the thyroid pituitary and suprarenal glands) that release hormonal secretions directly into the bloodstream |
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| the outermost layer of skin; a thin protective layer with many nerve endings |
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| redness caused by inflammation; a red lesion is erythemic |
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| a skin sore or abrasion produced by scratching or scraping |
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| glands that produce a substance that travels through small tubelike ducts such as the sudiferous (sweat) glands and the sebaceous (oil) glands |
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| a crack in the skin that penetrates the dermis; chapped lips or hands are fissures |
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| scale used to measure the skin type's ability to tolerate sun exposure |
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| vegetable (plant) parasites including molds mildews and yeasts |
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| a subcutaneous abscess filled with pus; also called boils furuncles are caused by bacteria from the hair follicles |
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| the swelling at the base of the follicle that provides the hair with nourishment; it is a thick club-shaped structure that forms the lower part of the hair root |
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| the tubular shield that surrounds the lower part of the hair shaft; the "pore" where hairs grow |
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| part of the hair that lies within the follicle |
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| portion of the hair that extends or projects beyond the skin consisting of the outer layer (cuticle) inner layer (medulla) and the middle layer (cortex); color changes happen in the cortex |
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| disease marked by inflammation of the liver and caused by a bloodborne virus |
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| fever blisters or cold sores; a recurring viral infection consisting of a vesicle or group of vesicles on a red swollen base; the blisters usually appear on the lips or nostrils; it is a contagious disease |
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| science of the minute structures of organic tissues; microscopic anatomy |
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| human immunodeficiency virus; virus that causes AIDS |
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| excessive perspiration caused by heat or body weakness; medical treatment is required |
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| an excessive build-up of dead skin cells/keratinized cells |
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| overproduction of pigment |
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| excessive hair growth where hair does not normally grow |
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| an abnormal growth; many are benign or harmless |
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| ability of the body to destroy any bacteria that have gained entrance to the body and to resist infection in general |
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| a bacterial infection often occurring in children characterized by clusters of small blisters |
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| the invasion of body tissues by disease-causing (pathogenic) microorganisms; having evidence of pus |
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| the skin and its accessory organs such as the oil and sweat sensory receptors hair and nails |
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| lipids which protect the cells from water loss and provide hydration |
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| a thick scar resulting from excessive growth of fibrous tissues; collagen |
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| fiber protein that provides resiliency and protection to the skin |
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| soft keratin which produces scale-like cells on the stratum corneum |
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| an acquired thickened patch of epidermis; a callous caused by pressure or friction is a keratoma |
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| abnormally thick build-up of cells |
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| redness and bumpiness in the cheeks or upper arms from blocked follicles; exfoliation can help unblock follicles and alleviate the rough feeling |
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| freckles; small yellow/brown colored spots; lentigenes that result from sunlight exposure are actinic or solar lentigenes; patches are referred to as large macules |
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| structural changes in tissues caused by damage or injury |
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| light abnormal patches caused by a burn or congenital disease that destroys the pigment-producing cells; vitiligo and albinism are leukodermas |
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| infection that is confined to a particular part of the body and is indicated by a lesion containing pus |
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