L>Student resource Glossary
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chapter 12
actinic keratosis A precancerous skin expansion that occurs on sun-damaged skin.
albinism A hereditary condition characterized by a deficiency or the absence of colours in the skin, hair, and also irises of the eyes.
alopecia The partial or finish loss of hair that occurs most typically on the scalp; also known together baldness.
blepharoplasty The surgical reduction the 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 more than one-half centimeter in diameter.
capillary hemangioma Soft, raised, pink or red vascular birthmark.
carbuncle A cluster of connected furuncles.
cellulitis an acute, quickly spreading bacterial epidemic within the connective tissues the is defined by malaise, swelling, warmth, and also red streaks.
chloasma A pigmentation disorder identified by brownish spots on the face; likewise known together melasma or the mask that pregnancy.
cicatrix A common scar resulting from the heal of a wound.
comedo A non-infected lesion formed by the buildup the sebum and also keratin in a hair follicle.
debridement The remove of dirt, international objects, damaged tissue, and cellular debris indigenous a wound to avoid infection and also to encourage healing.
dermatitis one inflammation the the skin.
diaphoresis Profuse sweating.
dysplastic nevi patent moles the can construct into skin cancer.
ecchymosis A large, rarely often, rarely area of purplish discoloration due to bleeding under the skin; additionally known together a bruise.
eczema A type of dermatitis usually identified by redness, itching and also dryness, with possible blistering, cracking, oozing, or bleeding.
erythema Redness that the skin because of capillary dilation.
erythroderma Abnormal redness that the entire skin surface.
exanthem A widespread rash, usually in children.
exfoliative dermatitis A condition in which there is prevalent scaling of the skin frequently with pruritus, erythroderma, and also hair loss.
folliculitis one inflammation of the hair follicles.
furuncles Large, tender, swollen areas caused by a staphylococcal infection about hair follicles or sebaceous glands; also known together boils.
granuloma A basic term provided to describe small, knot-like swellings the granulation organization in the epidermis.
hematoma A ede of clotted blood trapped in the tissues; usually cause by an injury.
hirsutism The visibility of excessive body and facial hair in women, usually arising in a masculine pattern.
ichthyosis A group of hereditary disorders defined by dry, thickened, and also scaly skin.
impetigo A highly transmittable bacterial skin epidemic that generally occurs in children identified by diverted pustules that end up being crusted and rupture.
keloid one abnormally increased or thickened scar the expands beyond the borders of the incision.
keratosis any type of skin growth, such together a wart or a callus, in which there is overgrowth and thickening of the skin.
koilonychia A malformation of the pond in which the external surface is concave or scooped out like the bowl of a spoon.
lipedema A chronic abnormal condition that is identified by the accumulation of fat and fluid in the tissues simply under the skin of the hips and legs.
lipoma A benign fat deposit under the skin that causes a bump.
macule A discolored level spot, such together a freckle, that is less than one centimeter in diameter.
malignant melanoma A type of skin cancer that occurs in the melanocytes.
necrotizing fasciitis A significant infection caused by group A strep bacteria, i m sorry is additionally known as flesh-eating bacteria.
onychocryptosis An structure toenail.
onychomycosis A fungal infection of the nail.
papilloma A benign, superficial wartlike growth on the epithelial organization or elsewhere in the body such as in the bladder.
papule A small, elevated red lesion the is much less than one-half centimeter in diameter.
paronychia an acute or chronic infection of the skin fold about a nail.
pediculosis one infestation through lice.
petechiae tiny pinpoint hemorrhages that are much less than 2 millimeters in diameter.
pruritus Itching associated with most creates of dermatitis.
psoriasis A usual skin disorder identified by flare-ups in i m sorry red papules space covered through silvery scales.
purpura The figure of multiple purple discolorations top top the skin resulted in by bleeding underneath the skin.
purulent developing or comprise pus.
rhytidectomy The surgical removal of overfill skin and fat for the elimination of wrinkles; also known as 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 an autoimmune disorder in which the connective tissues come to be thickened and hardened, bring about the skin to come to be hard and swollen.
seborrhea Overactivity of the sebaceous glands that outcomes in the production of an excessive amount the sebum.
squamous cabinet carcinoma Originates as a malignant tumor that the thin, scaly squamous cell of the epithelium; however, it can quickly spread to other body systems.
systemic lupus erythematosus an autoimmune disorder identified by a red, scaly rashes on the face and upper trunk; likewise known as lupus.
tinea A fungal epidemic that can prosper on the skin, hair, or nails.
urticaria Wheals resulted in by an allergy reaction; additionally known as hives.
verrucae Small, tough skin lesions brought about by the human being papilloma virus; likewise known together warts.
vitiligo A skin problem resulting native the damage of the melanocytes due to unknown causes.
wheal A little bump the itches and often shows up 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 dry skin.
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