CH5 definitions

localized collection of pus at the site of an infection

inflammatory disease of the sebaceous gland and hair follicles of the skin with characteristic lesions that include blackheads, inflammatory papules, pustules, nodules, and cysts.

partial or complete loss of hair resulting fom normal aging, an endocrine disorder, a drug reaction, anticancer medication, or a skin disease. (baldness)

form of intraepidermal carcinoma (squamous cell) characterized by red-brown scaly or crusted lesions that resemble a patch of psoriasis or dermatitis

diffuse (widespread), acute infection of the skin and subcutaneous tissue

pigmentary skin discoloration usually occuring in yellowish brown patches or spots

typical small skin lesion of acne vulgaris caused by accumulation of keratin, bacteria, and dried sebum plugging an excretory duct of the skin

infection of the skin caused by fungi

skin discoloration consisting of a large, irregularly formed hemorrhagic area with colors changing from blue-black to greenish brown or yellow (called a bruise)

chronic skin inflammation characterized by erythema, papules, vesicles, pustules, scales, crusts, scabs, and possibly, itching.

redness of the skin caused by swelling of the capillaries

damaged tissue following a burn

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

thickened area of the epidermis or any horny growth on the skin (callus or wart)

small brown macules, esp on the face and arms, brought on by sun exposure, usually in a middle-aged or older person

unnatural paleness or absence of color in the skin

infestation with lice, transmitted by personal contact or common use of brushes, combs, or headgear

minute, pinpoint hemorrhage under the skin

skin ulceration caused by pronlonged pressure from lying in one position that prevents blood flow to the tissues

intense itching

chronic skin disease characterized by circumscribed red patch covered by thick, dry, silvery, adherent scales caused by excessive development of the basal layer of the epidermis

any of several bleeding disorder characterized by hemorrhage into the tissues, particularly beneath the skin or mucous membranes, producing ecchymoses or petechiae

contagious skin disease transmitted by the itch mite, commonly through sexual contact

fungal skin infecton whose name commonly indicates the body part affected (tinea pedis= foot)

allergic reaction of the skin characterized by the eruption of pale red, elevated patches (wheals or hives)

epidermal growth caused by a virus (warts). Types include plantar, juvenile, and venereal

localized loss of skin pigmentation characterized by milk-white patches

any test in which a suspected allergen or sensitizer is applied to or injected into the skin to determine the patients sensitivity to it

chemical removal of the outer layers of skin to treat acne scarring and general keratoses (chemabrasion)

removal of necrotized tissue from a wound by surgical excision, enzymes, or chemical agents

rubbing (abrasion) using wire brushes or sandpaper to mechanically scape away (abrade) the epidermis

tissue destruction by means of high-frequency electric current (electrodesiccation)

use of subfreezing temperature (commonly liquid nitrogen) to destroy or eliminate abnormal tissue, such as wats, and unwanted, cancerous, or infected tissue

process of cutting through a lesion such as an abscess and draining its contents