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Patho Ch 8
| Term | Definition |
|---|---|
| albinism | inherited condition present at birth, characterized by a lack of pigment that normally gives color to the skin, hair, and eyes |
| atopic | inherited tendencies to hypersensitivities |
| autoinoculation | the spread of an infection by fingers from one site to a second site on the body |
| denuded | stripping of the skin, leaving bare |
| excoriations | an abrasion or injury to the skin |
| keratin | a scleroprotein that is the principal constituent of epidermis, hair, nails, horny tissues, and the organic matrix of the enamel of the teeth |
| larvae | an independent, immature stage in the life cycle of an animal, in which it is markedly unlike the parent and must undergo changes in form and size to reach the adult stage |
| lichenification | hardening and thickening of the skin; leather like |
| sebum | the oily secretion of the sebaceous glands, whose ducts open into the hair follicles |
| abcess | localized pocket of infection or purulent exudate surrounded by inflammation |
| eosinophilia | accumulation of an abnormally large amount of eosinophils in the blood |
| macules | discolored skin lesion that is not elevated |
| pruritis | itching sensation |
| urticaria (hives) | Type I hypersensitivity reaction affecting the skin |
| atopic dermatitis (eczema) | chronic inflammation of the skin from a response to allergens |
| psoriasis | chronic inflammation of the skin resulting from abnormal activation of T cells |
| scleroderma | deposition of collagen affecting skin or viscera |
| cellulitis (erysipelas) | infection of the dermis and subcutaneous tissue |
| furuncles (boil) | infection that begins in a hair follicle and spreads to surrounding dermis |
| impetigo | highly infectious childhood skin infection |
| acute necrotizing fasciitis (flesh eating disease) | skin infection characterized by extremely rapid tissue invasion resulting from decreased blood supply to tissues and secretion of tissue destroying enzymes |
| herpes simplex type I | most common cause of cold sores or fever blisters on the lip |
| verrucae (warts) | abnormal growths caused by the human papilloma virus |
| tinea | fungal infections |
| scabies | skin infection that results from a mite |
| pediculosis | infection by a louse |
| pemphigus | autoimmune disorder affecting cohesion between skin cells |
| Urticaria (hives) | caused by a type I hypersensitivity reaction |
| atopic dermatitis (eczema) | eosinophelia and elevated IgE levels indicate an allergic response |
| psoriasis | caused by abnormal activation of T cells |
| scleroderma | caused by collagen deposits in arteries and capillaries reduces blood flow to the skin or other organs |
| cellulitis (erysipelas) | caused by infection of the skin and underlying tissues by staph aureas or streptococcus |
| furuncles (boils) | caused by infection of hair follicle by staph aureus |
| impetigo | caused by infection by staph aureus or group A Beta hemolytic strep |
| acute necrotizing fasciitis | caused by infection by group A Beta hemolytic strep |
| Herpes simplex | caused by a viral infection |
| verrucae (warts) | caused by human papilloma virus strains I to IV |
| tinea infections | caused by superficial fungal infections of the skin |
| scabies | caused by invasion of the skin by a mite |
| pemphigus vulgaris | caused by an autoimmune disorder affecting layers of the skin |
| Urticaria | Symptoms include hard, raised, arithmetis lesions on the skin, and is highly puritic |
| Eczema | Symptoms include red, itchy puritic lesions |
| Psoriasis | Symptoms include excessive proliferation of correct karatocytes, red patches of skin covered with silvery scales |
| Scleroderma | Symptoms include hard shiny immovable areas of skin, loss of some movement in the face and eyes. May also affect the organs |
| Cellulitis | Symptoms include reddened areas especially on the lower extremities which are edematous and painful |
| Furuncles | Symptoms include a firm, red painful nodule which begins in a hair follicle. Abcess produces large amount of purulent exodate |
| Impetigo | Symptoms include Itchy small red vessels with yellowish Brown exudate crusty lesions with honey colored exudate |
| Acute necrotizing fasciitis | Symptoms include Inflamed painful gangrene, fever, takkartia and hypotential |
| Herpes simplex type I | Symptoms include burning and tingling along the nerve route followed by painful vehicles which rupture and crust |
| Verrucae | Symptoms include a solid raised lesion papule that may be painful if pressure is applied |
| Tinea | Round erhythematus ring of vessels or papules with a clear center (ringworm) |
| Scabies | Symptoms include light Brown lines often with vesicles, errythema, inflammation and puritis |
| Pediculosis | Symptoms include itchy macules, excoriations and presence of nits |
| Pemphigus vulgarris | Symptoms include blisters in the mouth, blisters on the skin, possible breathing difficulty due to swelling in the mouth and throat |
Created by:
boringjen