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Medical Terminology

Chapter 12 Skin: The integumentary System
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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.