Chapter 5 Integumentary System.
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Abrasion | scraping or rubbing away of skin or mucous membrane as a result of friction to the area.
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Abscess | localized collection of pus in any part of the body.
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Alopecia | partial or complete loss of hair.
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Bedsore | inflammation, sore, or ulcer in the skin.
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Blister | a small thin-walled skin lesion containing clear fluid; a vesicle.
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Bruise | a bluish-black discoloration of an area of the skin or mucous membrane caused by an escape of blood into the tissues as a result of an injury to the area.
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Cellulitis | a diffuse acute infection of the skin and subcutaneous tissue, characterized by localized heat, deep redness, pain and swelling.
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Cerumen | ear wax.
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Comedo | the typical lesion of acne vulgaris, caused by accumulation of keratin and sebum within the opening of a hair follicle (close comedo = whitehead; open comedo = blackhead.)
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Contusion | an injury to a part of the body without a break in the skin.
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Corium | the dermis; the layer of the skin just under the epidermis.
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Cryosurgery | a noninvasive treatment that uses subfreezing temperature to freeze and destroy the tissue.
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Curettage | the process of scraping material from the wall of a cavity or other surface for the purpose of removing abnormal tissue or unwanted material.
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Debridement | removal of debris, foreign objects, and damages or necrotic tissue from a wound in order to prevent infection to promote healing.
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Dermatologist | a physician who specializes in the treatment of diseases & disorders of the skin.
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Ecchymosis | a bluish-black discoloration of an area of the skin or mucous membrane by an escape of blood into the tissues as a result of injury to the area; known as a bruise or a black&blue mark.
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Electrodesiccation | technique that uses an electrical spark to burn and destroy tissue; used primarily for the removal of surface lesions.
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Epidermis | the outermost layer of the skin.
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Erythema | redness of the skin due to capillary dilatation. example: nervous blush or a mild sunburn.
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Erythremia | an abnormal increase in the number of red blood cells; polycythemia vera.
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Fissure | a cracklike sore or groove in the skin or mucous membrane.
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Furuncle | a boil; a localized pus-producing infection originating deep in a hair follicle.
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Hair Follicle | the tiny tube within the dermis that contains the root of a hair shaft.
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Hemangioma | a benign (nonmalignant) tumor that consists of a mass of blood vessels and has a reddish-purple color.
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Laceration | tear in the skin.
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Lunula | the crescent-shaped plate area at the base of the fingernail or toenail.
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Macule | a small, flat discoloration of the skin that is neither raised or depressed.
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Onychomycosis | any fungal infections of the nails.
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Papule | a small, solid, circumscribed elevation of the skin.
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Pediculosis | infestation with lice.
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Petechia | small, pinpoint hemorrhages of the skin.
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Polyp | a small, stalklike growth that protrudes upward or outward from a muscous membrane surface, resembling a mushroom stalk.
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Pruritus | itching.
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Scales | thin flakes of hardened epithelium shed from the epidermis.
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Sebum | the oily secretions of the sebaceous glands.
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Skin Tags | a small brownish or flesh-colored outgrowth of skin occurring frequently on the neck; also known as a cutaneous papilloma.
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Stretch Marks | linear tears in the dermis that result from overstretching from rapid growth.
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Subcutaneous Tissue | fatty layer of tissue located beneath the dermis.
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Sudoriferous Gland | a sweat gland.
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Sweat | the clear, watery fluid produced by the sweat glands; also known as prespiration.
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Sweat Gland | one of the tiny structures within the dermis that produces sweat.
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Ulcer | a circumscribed, open sore or lesion of the skin that is accompanied by inflammation.
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Vesicle | a blister; a small thin-walled skin lesion containing clear fluid.
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Acne Vulgaris | a common inflammatory disorder seen on the face, chest, back, and neck, and which appears as papules, pustules, and comedos.
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Albinism | a condition characterized by absence of pigment in the skin, hair, and eyes.
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1st, 2nd, 3rd Degree Burns | tissue injury by flame, heat, chemicals, radiation, electricity, or gases.
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Carcinoma; Squamous Cell | a malignancy of the squamous (or scalelike) cells of the epithelial tissue, which is a much faster growing cancer than basal cell carcinoma and which has a greater potential for metastasis if not treated.
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Carcinoma; Basal Cell | the most common malignant tumor of the epithelial tissue, occurring most often on areas of the skin exposed to the sun.
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Eczema | an acute or chronic inflammatory skin condition characterized by erythema, papules, vesicles, postules, scales, crusts, or scabs, and accompanied by intense itching.
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Exanthematous Viral Diseases | skin eruption or rash accompanied by inflammation, having specific diagnostic features of an infectious viral disease
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Gangrene | tissue death due eto the loss of adequate blood supply, invasion of bacteria, & subsequent decay of enzymes (especially proteins)- producing an offensive, foul odor.
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Herpes Zoster (Shingles) | acute viral infection characterized by painful vesicular eruptions on the skin following along the nerve pathways of underlying spinal or cranial nerves.
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Impetigo | contagious superficial skin infection characterized by serous vesicles, & pustules filled with millions of stephylococcus or streptococcus bacteria, usually forming on the face.
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Kaposi's Sarcoma | vascular malignant lesions that begin as soft purple-brown nodules or plaques on the face & oral cavity but can occur anywhere on the body, & gradually spread throughout the skin.
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Keloid | enlarged, irregularly shaped, & elevated scar that forms due to the presence of large amounts of collagen during the formation of the scar.
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Luekoplakia | white, hard, thickened patches firmly attatched to the mucous membrane in areas such as the mouth, vulva, or penis.
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Melignant Melanoma | malignant skin tumor originating from melanocytes in preexisting nevi, freckles, or skin with pigment; darkly pigmented cancerous tumor.
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Psoriasis | common, non-infectious, chronic disorder of the skin manifested by silvery-white scales covering round, raised, reddened plaques producing itching.
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Rosacea | chronic inflammatory skin disease that mainly affects the skin. Persistent redness over the areas of the face, noses, and cheeks.
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Scabies | highly contagious parasitic infestation caused by the "human itch mite", resulting in a rash, puritus, & a slightly raised threadlike skin lines.
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Systemic Lupus Erythematosus | chronic, multisystem, inflammatory disease characterized by lesions, of the nervous system & skin, renal problems, & vasculitis. A red rash known as the "butterfly rash" is often on the nose & face.
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Tinea | (Ringworm) a chronic fungal infection of the skin that is characterized by scaling, itching, & sometimes painful lesions. The lesions are named according to the body part affected.
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Tinea Capitis | Ringworm of the scalp.
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Tinea Corporis | Ringworm of the body.
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Tinea Cruris | Ring of the groin; "jock itch"
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Tinea Pedis | Ringworm of the foot; "athlete's foot"
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Wart (Verruca) | a benign circumscribed, elevated skin lesion that results from hypertrophy of the epidermis; caused by the human papilloma virus.
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Allergy Testing | various procedures used to identify specific allergens in an individual by exposing the person to a very small quanity of the allergen.
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Liposuction | aspiration of fat through a suction cannula or curette to alter the body contours.
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Skin Biopsy | removal of a small piece of tissue from a skin lesion for the purpose of examining it under a microscope to confirm or establish a diagnosis.
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