Medical Terminology

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Chapter 12 Skin: The integumentary System

actinic keratosis

a precancerous skin growth that occurs on sun-damaged skin.

albinism

genetic condition characterized by a deficiency or the absence of pigment in the skin, hair, and irises of the eyes.

alopecia

e partial or complete loss of hair that occurs most commonly on the scalp.

blepharoplasty

known as a lid lift, is the surgical reduction of the upper and lower eyelids by removing sagging skin.

bulla

a large blister that is usually larger than 0.5 cm in diameter.

capillary hemangioma

A capillary hemangioma is a soft, raised, pink or red vascular birthmark.

carbuncle

a cluster of connected furuncles, or boils.

cellulitis

acute, rapidly spreading bacterial infection within the connective tissues characterized by malaise, swelling, warmth, and red streaks.

chloasma

pigmentation disorder characterized by brownish spots on the face.

cicatrix

A normal scar resulting from the healing of a wound.

comedo

a non-infected lesion formed by the buildup of sebum and keratin in a hair follicle.

debridement

Removal of dirt, foreign objects, damaged tissue, and cellular debris from a wound to prevent infection and to promote healing.

dermatitis

describes an inflammation of the skin.

diaphoresis

Profuse sweating.

dysplastic nevi

atypical moles that can develop into skin cancer.

ecchymosis

a large, irregular area of purplish discoloration, also known as a bruise.

eczema

form of persistent or recurring dermatitis usually characterized by redness, itching, and dryness.

erythema

Redness of the skin due to capillary dilation.

erythroderma

Abnormal redness of the entire skin surface.

exanthem

Exanthem is a 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

An inflammation of the hair follicles.

furuncles

large swollen areas of a staphylococcal infection around hair follicles or sebaceous glands.

granuloma

A small knot-like swelling of granulation tissue in the epidermis.

hematoma

A swelling of clotted blood trapped in the tissues.

hirsutism

Abnormal hairiness; usually refers to the appearance of male body or facial hair patterns in the female.

ichthyosis

A group of hereditary disorders characterized by dry, thickened, scaly skin.

impetigo

A highly contagious bacterial skin infection characterized by isolated pustules that become crusted and rupture.

keloid

An abnormally raised or thickened scar that expands beyond the boundaries of the original incision.

keratosis

Any skin growth, 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.

lipedema

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

lipoma

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

macule

A discolored, flat spot such as a freckle or flat mole that is less than 1 cm in diameter.

malignant melanoma

Skin cancer derived from cells capable of forming melanin.

necrotizing fasciitis

severe infection caused by Group A strep bacteria, which is also known as flesh-eating bacteria.

onychocryptosis

A fungal infection of a finger or toe nail.

onychomycosis

Fungal infection of the nail.

papule

A small, raised red lesion that is less than 0.5 cm in diameter.

paronychia

Infection of the skin fold at the margin of a nail.

pediculosis

Infestation with lice.

petechiae

very small pinpoint hemorrhages that are less than 2 mm in diameter.

pruritus

known as itching, is associated with most forms of dermati

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

Surgical removal of excess skin for the elimination of wrinkles.

rosacea

also known as adult acne, is characterized by tiny red pimples and broken blood vessels.

scabies

A skin infection caused by an infestation with the itch mite.

scleroderma

An autoimmune disorder in which the connective tissues become thickened and hardened.

seborrhea

overactivity of the sebaceous glands resulting 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.

systemic lupus erythematosus

Systemic lupus erythematosus is an autoimmune disorder characterized by a scaly, red rash on the face and upper trunk.

tinea

A fungus skin disease affecting different areas of the body.

urticaria

A skin condition characterized by localized areas of swelling accompanied by itching that is associated with an allergic reaction.

verrucae

small, hard skin lesions caused by the human papillomavirus.

vitiligo

skin condition resulting from the destruction of the melanocytes due to unknown causes, resulting in irregular patches of white skin.

wheal

known as a welt, is a small bump that itches.

xeroderma

Excessively dry skin.

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