Pathology; Lab Tests and Clinical Procedure Terms (Ch 16) Flashcards
abscess
cavity containing pus surrounded by inflamed tissue; usually the result of localized infection
acne
chronic papular and pustular eruption of the skin with increased production of sebum
alopecia areata
autoimmune disease in which hair falls out in round patches
atopic dermatitis
inflammation of skin (rash and intense itching) that tends to occur in patients with a family history of allergic reactions
bacterial analyses
samples of skin examined for presence of microorganisms
basal cell carcinoma
skin cancer arising from cells in the basal layer of the epidermis
bulla; bullae
large blister
burns
injuries to tissues caused by heat contact
callus
hard, thickened area of skin occurring in areas of the body exposed to friction or pressure
cellulitis
diffuse, acute inflammatory infection of the skin marked by local heat, redness, pain, and swelling
cicatrix
scar tissue
comedo; comedones
clogged hair follicle (pore) in the skin; blackhead (open comedo) or white (closed comedo)
crust
collection on the skin of dried sebum and cellular debris; scab
cryosurgery
use of subfreezing temperature to destroy tissue; cryocauterization
curettage
scraping of material from the skin or from the wall of a cavity
cyst
thick-walled, closed sac or pouch containing fluid or semisolid fluid
decubitus ulcer
inflammation, sore, or ulcer in the skin over a bony part of the body; pressure ulcer; bedsore
dysplastic nevi
abnormal moles with irregular borders, indistinct margins, and mixed coloration; often precursors of malignant melanomas
ecchymosis; ecchymoses
bleeding into the skin; a bruise
eczema
chronic dermatitis of unknown etiology, marked by redness, blisters, scales, and scabs; atopic dermatitis
electrodesiccation
destruction of tissue by burning with an electric spark
erosion
wearing away or loss of epidermis
exanthematous viral disease
rash (exanthem) of skin due to viral infection; measles (rubeola) and chicken pox (varicella) are examples