Exam 3 Flashcards
abscess
a circumscribed collection of pus accompanying an acute localized infection or a cavity formed by liquefactive necrosis (from the Latin abscessus = a going away.
acne
inflammation of the sebaceous glands and hair follicles of the skin with characteristic eruptions and lesions (from the Greek akme = point of efflorescence).
adipose
atty, pertaining to fat (from the Latin adeps = fat + -ose = filled with.
alopecia
natural or abnormal loss of hair, complete, localized or generalized (from the Greek alopekia = fox mange, alopex = fox).
bulla
a large blister filled with fluid (from the Latin bulla – a bubble).
carbuncle
a deep-seated pyogenic inflammation of the skin and subcutaneous tissues which terminates in dead tissue (from the Latin diminutive carbunculus = small live coal, carbuncle).
dermatomycosis
fungal infection of the skin caused by dermatophytes, yeast, and other fungi (from the Greek words derma = skin + mykes = fungus, mushroom + -osis = condition.
desquamation
shedding of the epidermis (from the Latin desquamare = to shed scales, to peel off).
ecchymosis
bruise. A purplish skin discoloration (changing to greenish brown or yellow) caused by the extravasation of blood into the skin (from the Greek ekchymosis = extravasation, derived from ekchymoun = to shed juice and thus to shed blood)
eczema
generic term for a skin inflammation (from the Greek ekzema, derived from ek = out + zein = to boil).
eponychium
cuticle. The layer of epidermis that overlaps and protects the nail root (from the Greek epi- + onyx = nail).
erythema
redness over the skin caused by capillary dilation (from the Greek erythema = redness of the skin, from erythainein to redden).
eschar
a thick crust of dead, coagulated tissue that develops subsequent to a severe burn (from the Greek eschara = a scab caused by burning).
exfoliation
the scaling off of dead tissues (from Latin ex- = out + folium = leaf).
furuncle
a boil (from the Latin furunculus = a boil).
hyponychium
The nail bed (from the Greek hypo- = under + onyx = nail).
impetigo
a contagious bacterial infection (staph or strep) of the skin characterized by superficial vesicles that rupture and leave a thick yellowish crust.(from the Latin impetere = to attack, infest, invade).
keratosis
any overgrowths of the horny layer of the epidermis as in the development of a callus or wart.
laceration
a jagged wound or cut in the flesh (from the Latin lacerare – to tear).
lanugo
downy hair covering the body (from the Latin lanugo = the fine hairs of plants or the first soft down the beard, from lana = wool).
lentigo
benign small brown macule on the skin with an irregular border caused by a deposition of melanin pigment in the basal cell layer (from the Latin lentigo = freckle, derived from lens, lentis = lentil).
lichen
a papule or aggregation of papules that results in a patterning similar to lichen (from the Greek leichen = a tree moss)
lupus erythematosus
illness characterized by recurring reddish skin lesions that heal (from the Latin lupus = wolf. So named because the inflammation of the malar areas of the face seemed to render in its sufferers a wolf-like appearance.
macule
a spot or patch of discoloration on the skin (from the Latin macula = spot).