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| derm/o, dermat/o, cutane/o |
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| cells covering external and internal surfaces of the body |
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| thin outer layer of the skin |
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| flat, scale-like epithelial cells comprising the outermost epidermis |
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| deepest layer of epidermis |
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| cell in the basal layer that gives color to the skin |
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| dark brown to black pigment contained in melanocytes |
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| dense, fibrous connective tissue layer of the skin, also known as corium |
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| oily substance secreted by the sebaceous glands |
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| connective and adipose tissue layer just under the dermis |
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| protein substance in skin and connective tissue |
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| outgrowth of the skin composed of keratin |
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| outgrown of the skin, composed of keratin, at end of each finger and toe |
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| hard protein material found in the epidermis, hair, and nails |
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| area of pathologically altered tissue |
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| lesions arising from previously normal skin |
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| a flat discolored spot on skin up to 1 cm across (freckle) |
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| a flat discolored area on the skin larger than 1 cm (vitiligo) |
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| a solid mass on the skin up to 0.5 cm in diameter (mole) |
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| a solid mass greater than 1 cm in diameter; limited to the surface of skin |
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| a solid mass greater than 1 cm that extends deeper into the epidermis |
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| a solid mass larger than 1-2cm |
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| an area of localized skin edema (swelling) |
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| little bladder; elevated fluid filled sac (blister) up to 0.5 cm |
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| a blister larger than 0.5 cm |
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| a pus-filled sac (pimple) |
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| lesions that result in changes in primary lesions |
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| gnawed away; loss of superficial epidermis; no bleeding (after vesicle) |
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| an open sore on skin or mucous membrane that can bleed or scar |
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| a linear crack in the skin |
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| a thin flake of exfoliated epidermis (dandruff) |
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| a dried residue of serum (body liquid), pus, or blood on the skin |
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| lesions of a blood vessel |
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| a small round bright red blood vessel tumor on the skin |
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telangiectasia
(spider angioma) |
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| a tiny, red blood vessel lesion formed by the dilation of a group of blood vessels radiating from a central arteriole |
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| purpura; lesions resulting form hemorrhages into the skin |
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| spot; reddish-brown, minute hemorrhagic spots |
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| bruise; a black and blue mark |
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| a mark left by healing of a sore or wound (scar) |
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| an abnormal overgrowth of scar tissue that is thick and irregular |
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| skin tumor arising from the epidermis |
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| a congenital malformation on the skin that can be epidermal or vascular. |
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| a mole with precancerous changes |
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| an epidermal tumor caused by a papilloma virus, also called a wart |
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| badness; natural or unnatural deficiency of hair |
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| a plug of sebum within the opening of a hair follicle |
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| a comedo below the skin surface, with a white center (whitehead) |
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| a comedo open to the skin surface, with a black center caused by the presence of melanin exposed to air (blackhead) |
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| appearance of a skin lesion |
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| skin eruption, most often associated with communicable disease |
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| skin color resulting from the presence of melanin |
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| loss of melanin pigment in the skin |
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| areas of skin lacking color because of deficient amounts of melanin |
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| darkened areas of skin causes by excessive amounts of melanin |
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| production of purulent matter (pus) |
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| hives; an eruption of wheals on the skin accompanied by itching |
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| inflammation of sebaceous glands and hair follicles of the skin, evidenced by comedones (blackheads), pustules, or nodules in the skin |
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| a hereditary condition characterized by a partial or total lack of melanin pigment |
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| burns of epidermis + dermis |
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| burn involving all layers of skin with damage or destruction of subcutaneous tissue |
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| inflammation of the skin characterized by erythema, pruritus (itching), and various lesions |
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| exanthematous viral disease |
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| eruption of skin caused by viral disease (exanthema = eruption) |
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| to boil out; often used interchangeably with dermatitis to denote a skin condition characterized by the appearance of inflamed, swollen papules and vesicles that crust and scale, often with sensations of itching and burning |
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| boil; a painful nodule formed in the skin by inflammation originating in a hair follicle; caused by staphylococcosis |
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| a skin infection consisting of clusters of furuncles |
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| a localized collection of pus in a cavity formed by the inflammation of surrounding tissues, which heals when drained or excised |
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| an eating sore; death of tissue associated with loss of blood supply |
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| herpes simplex virus type 1 HSV1 |
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| transient viral vesicles (e.g., cold sores or fever blisters that infect the facial area, especially the mouth and nose (herpes = creeping skin disease) |
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| herpes simplex virus type 2 |
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| sexually transmitted, ulcer-like lesions of the genital and anorectal skin and mucosa; after initial infection, the virus lies dormant in the nerve cell root and may recur at times of stress |
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| a viral disease affecting the peripheral nerves characterized by painful blisters that spread over the skin following affected nerves, usually unilateral; also known as shingles |
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| a highly contagious, bacterial skin inflammation marked by pustules that rupture and become crusted, most often around the mouth and nostrils |
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| thickened areas of epidermis |
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| actinic or solar keratoses |
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| localized thickening of the skin caused by excessive exposure to sunlight, a known precursor to cancer |
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| benign, wart-like tumors, more common on elderly skin |
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