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Chap 5 Terms & Def

IU MED TERM Chap 5 Terms & Def

Chapter 5 TermsChp 5 Terms Definitions
abscess walled cavity containing pus and surrounded by inflammed or necrotic tissue
acne inflammatory disease of the sebaceous glands and hair follicles of the skin
Bowen disease form of intraepidermal carcinoma (squamous cells) caharacterized by red-brown scaly or crusted lesions that resemble a patch of psoriasis or deratitis
carbuncle deep-seated pyogenic infection of the skin usually involing subcutaneous tissues
cellulitis diffuse (widespread), acute infection of the skin and subcutaneous tissue
chloasma pigmentary skin disccoloration usually occuring in yellowish-brown patches or spots
comedo typical small skin lesion of acne vulgaris caused by accumulation of keratin, bacteria, and dried sebum plugging an excretory duct of the skin
decubitus ulcer skin ulceration caused by prolonged pressure, usually in a person who is bedridden; also known as a bedsore
dermatomycosis fungal infection of the skin
ecchymosis skin discoloration consisting of a large, irregularly formed hemorrhagic area with colors changing from blue-black to greenish brown or yellow; commonly called a bruise
eczema acute or chronic skin inflammation characterized by erythema, papules, vesicles, pustules, scales, crusts, scabs, and possibly, itching
erythema redness of the skin caused by swelling of the capillaries
eschar damaged tissue following a severe burn
furuncle bacterial infection of a hair follicle or sebaceous gland that produces a pus-filled lesion commonly called a boil
hirsution condition caharaterized by the excessive growth of hair or presence of hair in unusual places, especially in women
impetigo inflammatory skin disease characterized by isolated pustules that become crusted and rupture
keratosis thickened area of the epidermis; any horny growth on the skin (such as a callus or wart)
lentigo small brown macules, especially on the face and arms with lesions distributed on sun-exposed areas of the skin
pallor unnatural paleness or absence of color in the skin
pediculosis infestation with lice, transmitted by personal contact or common use of brushes, combs, or headgear
petechia minute, pinpoint hemorrhage under the skin
pruritus intense itching
psoriasis chronic skin disease characterized by circumscribed red patches covered by thick, dry, silvery, adherent scales that are the result of excessive development of the basal layer of the epidermis
purpura any of several bleeding disorders characterized by hemorrhage into the tissues, particularly beneath the skin or mucous membranes, producing ecchymoses or petechiae
scabies contagious skin disease transmitted by the itch mite, commonly through sexual contact
tinea any fungal skin disease whose name commonly indicates the body part affected; also called ringworm
urticaria allergic reaction of the skin characterized by the eruption of pale red elevated patches called wheals (hives)
vitiligo localized loss of skin pigmentation characterized by milk-white patches
verruca epidermal growth caused by a virus, such as plantar warts, juvenile warts, and venereal warts
adipose fatty; pertaining to fat
androgen generic term for an agent, usually a hormone (testosterone) that stimulates activity of the accessory male sex organs or stimulates the development of male cjaracteristics
dorsal indicating a position; pertaining to the back or psterior (of a structure)
ductule a very small duct
homeostasis relative constancy or equilibrium in the internal environment of the body, which is maintained by the ever-changing processes of feedback and regulation in response to external or internal changes
hypodermis subcutaneous tissue layer below the dermis
integument a covering (the skin) consisting of the epidermis and dermis, or corium
systemic pertaining to the entire body rather than to one of its individual parts
skin test (ST) any test in which a suspected allergen or sensitizer is applied to or injected in to the skin to determine the patient's reaction to it
intrdermal test identifies suspected allergens by sudcutaneously injecting small amounts of extracts of the suspected allergens and observing the skin for a subsequent reaction; used to determine immunity to diphtheria (Schick test) or tuberculosis (Mantoux test)
patch test identifies suspected allergens by topical application of substance to be tested (e.g., food, pollen, animal fur), usually on the forearm and observing for subsequent reaction
scratch test identifies suspected allergens by placing a small quanity of suspected allergen on a lightly scratched area of the skin
biopsy representative tissue sample removed from a body site for microscopic examination, usually to establish a diagnosis
needle biopsy removal of small tissue sample for examination using a hollow needle, usually attached to a syringe
punch biopsy removal of a small core of tissue using a hollow punch
shave biopsy removal of tissue using a surical blade to shave elevated lesions
frozen section (FS) ultra-thin slice of tissue cut from a frozen specimen for immediate pathological examination
debridement removal of foreign material and dead or damaged tissue, especially in a wound; used to promote healing and prevent infection
dermabrasion removal of acne scars, nevi, tattoos, or fine wrinkles on the skin through the use of sandpaper, wire brushes, or other abrasive materials on the anesthetized epidermis
fulguration tissue destruction by means of high frequency electric sparks; also called electrodesiccation
chemical peel chemical removal of the outer layers of the skin to treat acne scarring and general keratoses; also used for cosmetic purposes to remove fine wrinkles on the face; also called chemabrasion
cryosurgery use of subfreezing temperature (commonly with liquid nitrogen) to destroy or eliminate abnormal tissue cells, such as tumors, warts, and unwanted, cancerous, or infected tissue
incision and drainage (I&D) incision in a lesion such as an abcess and drainage of its contents
Created by: khandoggy