Medical Terminology: Chapter 3

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The Integumentary System

Acne

An inflammatory condition of the sebaceous glands and the hair follicles; pimples

Acrochordon

A small outgrowth of epidermal and dermal tissue; skin tags

Actinic Dermatitis

Inflammation of the skin caused by exposure to radiant energy, such as x-rays, ultraviolet light, and sunlight

Albinism

Absence of pigment in the skin, hair, and eyes

Alopecia

Loss of hair, baldness; alopecia areata is loss of hair in defined patches usually involving the scalp. Male pattern alopecia beings in the frontal area and proceeds until only a horseshoe area of the hair remains in the back and temples

Anhidrosis

A condition in which there is a lack or complete absence of sweating

Autograft

A graft taken from one part of the patient's body and transferred to another part

Avulsion

The process of forcibly tearing off a part or structure of the body, such as a finger or toe

Basal Cell Carcinoma

An epithelial malignant tumor of the skin that rarely metastasizes. It usually begins as a small, shiny papule and enlarges to form a whitish border around a central depression

Bite

An injury in which a part of the body surfacce is torn by an insect, animal, or human, resulting in an abrasion, puncture, or laceration.

Boil

An acute, painful nodule formed in the subcutaneous layers of the skin, gland, or hair follicle; most often caused by the invasion of staphylococci; furuncle

Bulla

A larger blister; a bleb

Burn

An injury to tissue caused by heat, fire, chemical,electricity, lightning, or radiation; burns are classified according to degree or depth of skin damage

Callus

Hardened skin

Candidiasis

An infection of the skin or muscous membranes with any species of Candida, but chiefly Candida albicans. Candida is a genus of yeasts and was formerly called Monilla

Carbuncle

An infection of the subsutaneous tissue, usually composed of a cluster of boils

Causalgia

Intense burning pain associated with trophic skin changes in the hand or foot after trauma to the part

Cellulitis

Inflammation of cellular or connective tissue

Cicatrix

The scar left after the healing of a wound

Comedo

Blackhead

Corn

A horny induration and thinkening or the skin on the caused by ill-fitting shoes

Cutaneous

Pertaining to the skin

Cyst

A bladder or sac; a closed sac that contains fluid, semifluid, or solid material

Decubitus

Literally means a lying down; a bedsore

Dehiscence

The separation or bursting open of a surgical wound

Dermatitis

Inflammation of the skin

Dermatologist

One who specializes in the study of the skin

Dermatology

The study of the skin

Dermatome

An instrument used to cut the skin for grafting

Dermomycosis

A skin condition caused by a fungus

Ecchymosis

A condition in which the blood seeps into the skin causing discolorations ranging from blue-black to greenish yellow

Eczema

An inflammatory skin disease of the epidermis

Erythema

A redness of the skin; may be caused by capillary congestion, inflammation, heat, sunlight, or cold temperature. Erythema infectiosum is known as Fifth disease, a mild, moderately contagious disease caused by the human pavovirus B-19. It is most commonly seen in school-age children and is thought to be spread via respiratory secretions from infected persons.

Erythroderma

Abnormal redness of the skin occurring over widespread areas of the body

Eschar

A slough, scab

Excoriation

Abrasion of the epidermis by scratching, trauma, chemicals, burns, etc.

Folliculitis

Inflammation of a follicle or follicles

Herpes Simplex

An inflammatory skin disease caused by a herpes virus (Type I); cold sore or fever blister

Hidradenitis

Inflammation of the sweat glands

Hives

Eruption of itching and burning swellings on the skin; urticaria

Hyperhidrosis

A condition of excessive sweating

Hypodermic

Pertaining to under the skin or inserted under the skin, as a hypodermic injection

Icteric

Pertaining to jaundice

Impetigo

A skin infection marked by vesicles or bullae; usually caused by streptococci or staphylococci

Integumentary

A covering; the skin, consisting or the dermis and epidermis

Intradermal

Pertaining to within the skin, as an intradermal injection

Jaundice

Yellow; a symptom of a disease in which there is excessive bile in the blood; the skin, whites of the eyes, and mucous membranes are yellow; icterus

Keloid

Overgrowth of scar tissue caused by excessive collagen formation

Lentigo

A flat, browninsh spot on the skin sometimes caused by exposure to the sun and weather; freckle

Leukoderma

Localized loss of pigmentation of the skin

Leukoplakia

White spots or patches formed on the muscous membrane of the tongue or cheek; the spots are smooth, hard, and irregular in shape and may becaome malignant

Lupus

Originally used to describe a destructive type of skin lesion; current usage of the word is usually in combination with the words vulgaris or erythematosus: lupus vulgaris or lupus erythematosus

Melanocarcinoma

A cancerous tumor that has black pigmentation

Melanoma

A malignant black mole or tumor

Miliaria

Is called prickly heat and is commonly seen in newborns and/or infants. It is caused by excessive body warmth. There is retention of sweat in the sweat glands, which have become blocked or inflamed, and then rupture or leak into the skin. Miliaria appears as a rash with tiny pinheadsized papules, vesicles, and/or pustules

Mole

A pigmented, elevated spot above the surface or the skin; a nevus

Onychitis

Inflammation of the nail

Onychomycosis

A condition of the nail caused by a fungus

Pachyderma

Thick skin

Paronychia

An infectious condition of the marginal structures around the nail

Pediculosis

A condition of infestation with lice

Petechlae

Small, pinpoint, purplish hemorrhagic spots on the skin

Pruritus

A severe itching

Psoriasis

A chronic skin disease characterized by pink or dull-red lesions surmounted by silvery scaling

Purpura

A purplish discoloration of the skin caused by extravasation of blood into the tissues

Rhytidoplasty

Plastic surgery for the removal of wrinkles

Roseola

Any rose-colored rash marked by maculae or red spots on the skin

Rubella

A systemic disease caused by a virus and characterized by a rash and fever; also called German measles and three-day measles

Scabies

A contagious skin disease characterized by papules, vesicles, pustules, burrows, and intense itching; it is caused by the itch mite and is also called "the itch" or the "seven-year itch"

Scar

The mark left by the healing process of a wond, sore, or injury

Scleroderma

A chronic condition with hardening of the skin and other connective tissues of the body

Seborrhea

Excessive flow of oil from the sebaceous glands

Senile Keratosis

A condition occurring in older people wherein there is dry skin and localized scaling caused by excessive exposure to the sun

Striae (plural)

Streaks or lines on the breasts, thighs, abdomen, or buttocks caused by weakening of elastic tissue

Subcutaneous

Pertaining to below the skin, as a subcutaneous

Subungual

Pertaining to below the nail

Taut

Tight, firm; to pull or draw tight a surface, such as the skin

Telangiectasia

Dilatation of small blood vessels that may appear as a "birthmark"

Thermanestsia

Inability to distinguish between the sensations of heat and cold

Tinea

Contagious skin diseases affecting both man and domestic animals, caused by certain fungi, and marked by the localized appearance of discolored, scaly patches on the skin; also called ringworm

Trichomycosis

A fungus condition of the hair

Ulcer

An open lesion or sore of the epidermis or muscous membrane

Varicella

A contagious viral disease characterized by fever, headache, and a crop of red spots that become mscules, papules, vesicles, and crusts; also called chickenpox

Vitiligo

A skin condition characterized by milk-white patches surrounded by areas of normal pigmentation

Wart

An elevation of viral origin on the epidermis; verruca. A plantar wart is known as verruca plantaris. It occurs on pressure bearing area, especially the sole of the foot

Wound

An injury to soft tissue caused by trauma; generally classified as open or closed

xanthoderma

Yellow skin

Xanthoma

Yellow tumor

Xeroderma

Dry skin

Xerosis

Abnormal dryness of skin, mucous membranes, or the conjunctiva

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