Medical Terminology Chapter 12 Flashcards
cutane/o
skin
derm/o, dermat/o
skin
hidr/o
sweat
hirsut/o
hairy, rough
kerat/o
horny, hard
lip/o
fat, lipid
melan/o
black, dark
myc/o
fungus
onych/o
fingernail or toenail
pil/i, pil/o
hair
py/o
pus
rhytid/o
wrinkle
seb/o
sebum
urtic/o
rash, hives
xer/o
dry
actinic keratosis
precancerous skin growth that occurs on sun damaged skin.
albinism
genetic condition characterized by a deficiency or absence of pigment in skin, hair, irises of the eyes. Missing enzyme necessary for production of melanin.
alopecia
partial or complete loss of hair, most commonly on the scalp.
blepharoplasty
lid lift, surgical reduction of the upper and lower eyelids by removing sagging skin.
bulla
large blister that is usually more than 0.5 cm in diameter.
capillary hemangioma
strawberry birthmark, soft, raised, pink or red vascular birthmark.
carbuncle
cluster of connected furuncles (boils)
cellulitis
acute, rapidly spreading bacterial infection within the connective tissues that is characterized by malaise, swelling, warmth, and red streaks.
cholasma
pigmentation disorder characterized by brownish spots on face.
cicatrix
normal scar resulting from the healing of a wound.
collagen
glue, tough yet flexible fibrous protein material found in the skin and also bones, cartilage, tendons, and ligaments.
comedo
noninfected lesion formed by buildup of sebum & keratin in the hair follicle often associated with acne vulgaris.
curettage
removal of material from the surface by scraping
debridement
removal of dirt, foreign objects, damaged tissue, and cellular debris from a wound to prevent infection and to promote healing
dermabrasion
form of abrasion involving the use of a revolving wire brush or sandpaper.
dermatitis
inflammation of the skin
diaphoresis
profuse sweating
dysplastic nevi
atypical moles that can develop into skin cancer.
ecchymosis
bruise, large, irregular area of purplish discoloration due to bleeding under the skin.
eczema
atopic dermatitis, form of persistent or recurring dermatitis usually characterized by redness, itching, and dryness, with possible blistering, cracking, oozing, or bleeding.
epidermis
outermost layer of skin, made up of several specialized epithelial tissues.
erythema
redness of the skin due to capillary dilation
erythroderma
abnormal redness of the entire skin surface.
exanthem
refers to widespread rash, usually in children
exfoliative dermatitis
condition in which there is widespread scaling of the skin.
folliculitis
inflammation of the hair follicles
furuncles
large, tender, swollen areas caused by staphylococcal infection around hair follicles or sebaceous glands (boils).
granuloma
general term used to describe a small, knot-like swelling of granulation tissue in the epidermis
hematoma
usually caused by an injury, swelling of clotted blood trapped in the tissues.
hidrosis
production and excretion of perspiration
hirsutism
presence of excessive body & facial hair in women, usually occurring in a male pattern.
ichthyosis
group of hereditary disorders characterized by dry, thickened, and scaly skin.
impetigo
highly contagious bacterial skin infection that commonly occurs in children.
keloid
abnormally raised or thickened scar that expands beyond the boundaries of the original incision.
keratosis
any skin growth, such as a wart or a callus, in which there is overgrowth and thickening of the skin.
koilonychia
spoon nail, malformation of nails in which the outer surface is concave or scooped out like the bowl of a spoon.
lipedema
painful fat syndrome, chronic abnormal condition that is characterized by the accumulation of fat and fluid in the tissues just under the skin of the hips and lips.
lipoma
benign, slow-growing fatty tumor located between the skin and the muscle layer.
liposuction
surgical removal of fat beneath the skin with the aid of suction.
lunula
pale half-moon shaped region at every nail root, which is generally most easily seen in the thumbnail
macule
discolored flat spot that is less than 1 cm in diameter.
malignant melanoma
type of skin cancer that occurs in the melanocytes.
melanin
pigment that determines the color of the skin, which depends upon the type and amount of this pigment that is present.
necrotizing fasciitis
severe infection caused by group A strep bacteria, which is also known as flesh-eating bacteria.
onychocryptosis
ingrown toenail. edges of toenail, curve inward and cut into the skin and prone to inflammation or infection.
onychomycosis
fungal infection of the nail. can cause nails to turn white, yellow, green, or black and become thick or brittle.
papilloma
benign, superficial, wart-like growth on the epithelial tissue or elsewhere in the body, such as in the bladder.
papule
small, raised red lesion that is less than 0.5 cm in diameter and does not contain pus.
paronychia
acute or chronic infection of the skin fold around a nail.
pediculosis
an infestation with lice.
petechiae
small, pinpoint hemorrhages that are less than 2 mm in diameter.
pruritus
itching, associated with most forms of dermatitis
psoriasis
common skin disorder characterized by flare-ups in which red papules covered with silvery scales occur on the elbows, knees, scalp, back, or buttocks.
purpura
appearance of multiple purple discolorations on the skin caused by bleeding underneath the skin.
purulent
producing or containing pus
rhytidectomy
facelift, surgical removal of excess skin and fat from the face to eliminate wrinkles.
rosacea
adult acne, characterized by tiny red pimples and broken blood vessels
scabies
skin infection caused by an infestation of itch mites.
scleroderma
autoimmune disorder in which the connective tissues become thickened hardened, causing the skin to become hard and swollen.
sclerotherapy
treatment of spider veins by injecting a saline sclerosing solution into the vein.
seborrhea
overactivity of the sebaceous glands that results in the production of an excessive amount of sebum.
squamous cell carcinoma
originates as a malignant tumor of the scaly squamous cells of the epithelium; can quickly spread to the other body systems.
systemic lupus erthematosus
lupus, is an autoimmune disorder characterized by a red, scaly rash on the face and upper trunk.
tinea
fungal infection that can grow on the skin, hair, or nails
urticaria
itchy wheals caused by an allergic reaction (hives)
verrucae
small, hard skin lesions caused by the human papillomavirus (warts)
vitiligo
skin condition resulting from destruction of the melanocytes due to unknown cause
wheal
small bump that itches (welt)
xeroderma
xerosis, excessively dry skin