Ch 04 Vocabulary Skin Disorders and Diseases Flashcards
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itchy, swollen lesion caused by a blow or scratch, insect bite, or urticaria (skin allergy), examples include hives and mosquito bites
wheal
contagious bacterial skin infection characterized by weeping lesions; usually caused by a Staphylococcus bacteria
impetigo
skin-aging factors over which there is little control
intrinsic factors
closed, irregularly developed sac that contains fluid, pus, semifluid, or morbid matter above or below the skin; requires medical referral
cyst
hereditary tendency for acne-prone skin to retain dead cells in the follicle, forming an obstruction that clogs follicles and exacerbates inflammatory acne lesions such as papules and pustules
retention hyperkeratosis
any thin, dry, or oily plate of epidermal flakes; an example is irregular or excessive dandruff
scale
plural: maculae (mak-yuh-ly); flat spot or skin discoloration, such as a freckle or ”liver” spot, age spot
macule
skin disease characterized by red patches covered with silver-white scales; usually found on the scalp, elbows, knees, chest, and lower back
psoriasis
skin disorder characterized by light or white irregular patches (hypopigmentation); caused by a burn, scar, inflammation, or congenital disease
leukoderma
also known as prickly heat; acute inflammatory disorder of the sweat glands characterized by the eruption of small red vesicles accompanied by and burning and itching
miliaria rubra
large protruding pocketlike lesion filled with sebum; frequently seen on the scalp and back
sebaceous cyst
solid bump on the skin larger than 0.4 inch (1 centimeter) that can be easily felt
nodule
skin sore or abrasion produced by scratching or scraping
excoriation
abbreviated ACD; an allergy to an ingredient or a chemical, usually caused by repeated skin contact with the chemical
allergic contact dermatitis
closed, irregularly developed sac that contains pus, semifluid, or morbid matter, above or below the skin; cannot be drained
tubercle
condition involving visible capillaries, 0.02 to 0.04 inch (0.5 to 1.0 millimeter) in diameter, commonly found on the face, particularly around the nose, cheeks, and chin
telangiectasia
most common and least severe type of skin cancer; often characterized by light or pearly nodules
basal cell carcinoma
acquired superficial thickened patch of epidermis; a callus
keratoma
also known as pinkeye; infection of the eye(s) that may be caused by bacteria or virus; can be extremely contagious
conjunctivitis
any type of irregular mass varying in size, shape, and color
tumor
formerly called acne rosacea, chronic condition that appears primarily on the cheeks and nose; characterized by flushing (redness); telangiectasia (distended or dilated surface blood vessels); and in some cases the formation of papules and pustules
rosacea
abbreviated ICD; occurs when irritating substances temporarily damage the epidermis
irritant contact dermatitis
thick scar resulting from excessive growth of fibrous tissue
keloid
deficiency in perspiration or the inability to sweat; often a result of damage to autonomic nerves
anhidrosis
characterized by an accumulation of material on the skin surface, such as a crust or scab, or by depressions in the skin surface, such as an ulcer
secondary skin lesions
plural: bullae; large blister containing a watery fluid; similar to a vesicle; requires medical referral
bulla