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Integumentary System
Disease and Conditions
| Term | Definition |
|---|---|
| abscess | localized collection of pus at the site of an infection (characteristically a staphylococcal infection) |
| acne | inflammatory disease of the sebaceous glands and hair follicles of the skin with characteristic lesions that include blackheads (comedos), inflammatory papules, pustules, nodules, and cysts. Usually associated w/ seborrhea; also called acne vulgaris |
| alopecia | partial or complete loss of hair resulting from normal aging, an endocrine disorder, a drug reaction, anticancer medication, or a skin disease; commonly called baldness |
| Bowen disease | form of intraepidermal carcinoma (squamous cell) characterized by red-brown scaly or crusted lesions that resemble a patch of psoriasis or dermatitis; also called Bowen precancerous dermatosis |
| cellulitis | diffuse (widespread), acute infection of the skin and subcutaneous tissue |
| chloasma | pigmentary skin discoloration usually occurring 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 |
| dermatomycosis | infection of the skin caused by fungi |
| ecchymosis | skin discoloration consisting of large, irregularly formed hemorrhagic area with colors changing from blue-black to greenish brown or yellow; commonly called a bruise |
| eczema | chronic inflammatory skin condition that is characterized by erythema, papules, vesicles, pustules, scales, crusts, and scabs and accompanied by intense itching (pruritis); also called atopic dermatitis |
| erythema | redness of the skin caused by swelling of the capillaries |
| eschar | dead matter that is sloughed off from the surface of the skin, especially after a burn |
| impetigo | bacterial skin infection characterized by isolated skin pustules that become crusted and rupture |
| keratosis | thickened area of the epidermis or any horny growth on the skin (such as a callus or wart) |
| lentigo | small brown macules, especially on the face and arms, brought on by sun exposure, usually in middle-aged or older person |
| 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 |
| pressure ulcer | inflammation, sore, or skin deterioration caused by prolonged pressure from lying in one position that prevents blood flow to the tissues, usually in elderly bedridden persons; also known as decubitus ulcer |
| pruritus | intense itching |
| psoriasis | chronic skin disease characterized by circumscribed red patches covered by thick, dry, silvery, adherent scales and caused by 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 eccymoses or petechiae |
| scabies | contagious skin disease transmitted by the itch mite, commonly through sexual contact |
| tinea | fungal skin infection 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 or hives |
| verruca | epidermal growth caused by a virus; also known as warts. Types include plantar warts, juvenile warts, and venereal warts. |
| vitiligo | localized loss of skin pigmentation characterized by milk-white patches |
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