L>Student resource Glossary
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actinic keratosis A precancerous skin growth that wake up on sun-damaged skin.
albinism A genetic condition characterized by a deficiency or the lack of pigment in the skin, hair, and also irises the the eyes.
alopecia The partial or complete loss the hair that occurs most commonly on the scalp; additionally known as baldness.
blepharoplasty The surgical reduction that the upper and lower eyelids by removing overfill fat, skin, and muscle; likewise known as a lid-lift.
bulla A large blister that is usually an ext than one-half centimeter in diameter.
capillary hemangioma Soft, raised, pink or red vascular birthmark.
carbuncle A cluster of associated furuncles.
cellulitis one acute, rapidly spreading bacterial infection within the connective tissues the is defined by malaise, swelling, warmth, and also red streaks.
chloasma A pigmentation disorder identified by brownish clues on the face; likewise known together melasma or the mask that pregnancy.
cicatrix A common scar result from the healing of a wound.
comedo A non-infected lesion developed by the buildup that sebum and also keratin in a hair follicle.
debridement The removed of dirt, international objects, damaged tissue, and cellular debris from a wound to avoid infection and to encourage healing.
dermatitis one inflammation the the skin.
diaphoresis Profuse sweating.
dysplastic nevi patent moles that can build into skin cancer.
ecchymosis A large, irregular area that purplish discoloration because of bleeding under the skin; additionally known together a bruise.
eczema A form of dermatitis usually identified by redness, itching and dryness, with feasible blistering, cracking, oozing, or bleeding.
erythema Redness that the skin as result of capillary dilation.
erythroderma Abnormal redness the the entire skin surface.
exanthem A extensive rash, typically in children.
exfoliative dermatitis A problem in which over there is widespread scaling that the skin regularly with pruritus, erythroderma, and hair loss.
folliculitis an inflammation the the hair follicles.
furuncles Large, tender, swollen areas caused through a staphylococcal infection roughly hair follicles or sebaceous glands; also known together boils.
granuloma A general term provided to describe small, knot-like swellings that granulation tissue in the epidermis.
hematoma A ede of clotted blood trapped in the tissues; usually cause by an injury.
hirsutism The existence of extreme body and also facial hair in women, usually developing in a masculine pattern.
ichthyosis A team of hereditary disorders characterized by dry, thickened, and scaly skin.
impetigo A highly transmittable bacterial skin epidemic that typically occurs in children identified by isolated pustules that become crusted and also rupture.
keloid one abnormally elevated or thickened scar the expands past the limits of the incision.
keratosis any type of skin growth, such as a wart or a callus, in which over there is overgrowth and also thickening the the skin.
koilonychia A malformation the the pond in which the external surface is concave or scooped out favor the bowl of a spoon.
lipedema A chronic abnormal problem that is defined by the buildup of fat and fluid in the tissues simply under the skin that the hips and legs.
lipoma A benign fatty deposit under the skin that reasons a bump.
macule A discolored level spot, such together a freckle, that is less than one centimeter in diameter.
malignant melanoma A form of skin cancer the occurs in the melanocytes.
necrotizing fasciitis A major infection caused by team A strep bacteria, i beg your pardon is additionally known together flesh-eating bacteria.
onychocryptosis An ingrown toenail.
onychomycosis A fungal epidemic of the nail.
papilloma A benign, superficial wartlike expansion on the epithelial tissue or in other places in the human body such together in the bladder.
papule A small, raised red lesion that is much less than one-half centimeter in diameter.
paronychia one acute or chronic infection of the skin fold around a nail.
pediculosis one infestation with lice.
petechiae little pinpoint hemorrhages that are much less than two millimeters in diameter.
pruritus Itching linked with most forms of dermatitis.
psoriasis A common skin disorder defined by flare-ups in which red papules room covered with silvery scales.
purpura The illustration of multiple purple discolorations on the skin led to by bleeding under the skin.
purulent producing or include pus.
rhytidectomy The operation removal of overabundance skin and fat for the elimination of wrinkles; additionally known together a facelift.
rosacea identified by small red pimples and broken blood vessels.
scabies A skin infection led to by an infestation with the itch mite.
scleroderma one autoimmune disorder in i beg your pardon the connective tissues end up being thickened and hardened, resulting in the skin to become hard and swollen.
seborrhea Overactivity the the sebaceous glands that outcomes in the production of an too much amount the sebum.
squamous cabinet carcinoma Originates as a malignant tumor of the thin, scaly squamous cells of the epithelium; however, that can easily spread to various other body systems.
systemic lupus erythematosus one autoimmune disorder identified by a red, scaly decision on the face and also upper trunk; additionally known as lupus.
tinea A fungal epidemic that can thrive on the skin, hair, or nails.
urticaria Wheals caused by an allergic reaction; additionally known as hives.
verrucae Small, hard skin lesions caused by the human being papilloma virus; additionally known as warts.
vitiligo A skin problem resulting native the devastation of the melanocytes as result of unknown causes.
wheal A little bump the itches and often appears as a symptom of an allergic reaction.


You are watching: A is a discolored flat spot that is less than 1 cm in diameter, such as a freckle.


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xeroderma Excessively dried skin.
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