OT 200 Chapter 12

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

a precancerous skin condition of horny tissue formation that results from excessive exposure to sunlight

albinism

the congenital absence of pigmentation in the eyes and skin and hair

alopecia

loss of hair (especially on the head) or loss of wool or feathers

blepharoplasty

surgical repair of the eyelid

bulla

large blister

capillary hemangioma

red irregular macular patches, caused by dilation of dermal capillaries, birthmark, benign

carbuncle

skin infection composed of a cluster of boils caused by staphylococcal bacteria

cellulitis

an inflammation of body tissue (especially that below the skin) characterized by fever and swelling and redness and pain

chloasma

Condition characterized by increased pigmentation on the skin in spots that are not elevated.

cicatrix

scar

comedo

blackhead

debridement

surgical removal of foreign material and dead tissue from a wound in order to prevent infection and promote healing

dermatitis

inflammation of the skin

diaphoresis

the process of the sweat glands of the skin secreting a salty fluid

dysplastic nevi

atypical moles that can develop into skin cancer

ecchymosis

the purple or black-and-blue area resulting from a bruise

eczema

Inflammatory, painful itching disease of the skin, acute or chronic in nature, presenting many forms of dry or moist lesions.

erythema

redness of the skin

erythroderma

any skin disorder involving abnormal redness

exanthem

widespread rash, usually in children

exfoliative dermatitis

a condition in which there is widespread scaling of the skin, often with pruritus, erythroderma, and hair loss

folliculitis

inflammation of a hair follicle

furuncles

large, tender, swollen areas caused by a staphylococcal infection around hair follicles or sebaceous glands; boils

granuloma

a tumor composed of granulation tissue resulting from injury or inflammation or infection

hematoma

the collection of blood under the skin as the result of blood escaping into the tissue from damaged blood vessels. bruise

hirsutism

excessive hairiness

ichthyosis

a group of hereditary disorders characterized by dry, thickened, and scaly skin

impetigo

Bacterial skin infection characterized by isolated pustules that become crusted and rupture

keloid

Overgrowth of scar tissue caused by excessive collagen formation

keratosis

any skin growth, such as a wart or a callus, in which there is overgrowth and thickening of the skin

koilonychia

a malformation of the nails in which the outer surface is concave or scooped out like the bowl of a spoon, cause by anemia

lipedema

a chronic abnormal condition that is characterized by the accumulation of fat and fluid in the tissues just under the skin of the hips and legs

lipoma

a benign, slow-growing fatty tumor located between the skin and the muscle layer

macule

flat, discolored area that is flush with the skin; birthmark or freckle

malignant melanoma

Most serious form of skin cancer; often characterized by black or dark brown patches on the skin that may appear uneven in texture, jagged, or raised.

necrotizing fasciitis

severe infection caused by Group A strep bacteria, aka flesh-eating bacteria

onychocryptosis

ingrown nail

onychomycosis

fungal infection of a nail

papilloma

a benign, superficial wart-like growth on the epithelial tissue or elsewhere in the body

papule

Pimple; small circumscribed elevation on the skin that contains no fluid but may develop pus.

paronychia

infection in the tissues adjacent to a nail on a finger or toe

pediculosis

infestation with lice (Pediculus humanus) resulting in severe itching

petechiae

Small, pinpoint, purplish hemorrhagic spots on the skin

pruritus

severe itching

psoriasis

chronic, recurrent dermatosis marked by itchy, scaly, red plaques covered by silvery gray scales

purpura

a condition characterized by multiple pinpoint hemorrhages and accumulation of blood under the skin, producing purplish discoloration of the skin; merging ecchymoses and petechiae over any part of the body

purulent

producing or containing pus

rhytidectomy

surgical removal of wrinkles

rosacea

a skin disease of adults (more often women) in which blood vessels of the face enlarge resulting in a flushed appearance

scabies

contagious skin disease transmitted by the itch mite

scleroderma

an autoimmune disorder in which the connective tissues become thickened and hardened, causing the skin to become hard and swollen

seborrhea

a condition in which overactivity of the sebaceous glands causes the skin to become oily

squamous cell carcinoma

malignant tumor of the squamous epithelial cells in the epidermis

systemic lupus erythematosus

an inflammatory disease of connective tissue with variable features including fever and weakness and fatigability and joint pains and skin lesions on the face or neck or arms

tinea

infections of the skin or nails caused by fungi and appearing as itching circular patches, ringworm

urticaria

hives; an eruption of wheals on the skin accompanied by itch

verrucae

small, hard skin lesions caused by the human papilloma virus; warts

vitiligo

an acquired skin disease characterized by patches of unpigmented skin (often surrounded by a heavily pigmented border)

wheal

Itchy, swollen lesion that lasts only a few hours; caused by a blow, the bite of an insect, urticaria, or the sting of a nettle.

xeroderma

a mild form of ichthyosis characterized by abnormal dryness and roughness of the skin