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55 Cards in this Set
- Front
- Back
The outermost portion of the skin composed entirely of epithelial cells and contains no blood vessels
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epidermis
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Thin layers that divide the epidermis
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strata
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Has a framework of connective tissue and contains many bliid vessels, nerve endings, and glands; true skin
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dermis
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Two layers of the skin
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Dermis
Epidermis |
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Deepest layer of epidermis where new epidermal cells are produced (2 names)
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Stratum Basale
Stratum Germinativum |
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Protein that thickens and protects the skin
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Keratin
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Protective epidermal layer that is deeper in thick skin than in thin skin
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Stratum Corneum
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A dark pigment that colors the skin an dprotects it from the harmful rays of sunlight
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Melanin
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The cells that produce pigment
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Melanocytes
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Extentions of the dermis that project up into the epidermis
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Dermal papillae
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Layer that conects the skin to the surface muscles; consists of loose connective tissue and large amounts of adipose tissue
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Subcutaneous layer
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Saclike structure that secrete sebum to lubricate the skin and hair; open into the hair follicle
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Sebaceous gland
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Oily secretion produced by the sebaceous gland
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Sebum
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"Cheesy varnish"; babies are born covered in this sebaceous secretion
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Vernix caseosa
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Modified sebaceous glands that are associated with the eyelashes and produce a secretion that lubricates the eyes
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Meibomian glands
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A sac of accumulated sebum that forms whena sebaceous gland becomes blocked
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Sebaceous cyst
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Coiled, tubelike structure located in the dermis and the subcutaneous tissue; sweat glands
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Sudoriferous glands
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Sweat glands that regulate body temperature and vent directly to the surface of the skin through a pore
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Eccrine sweat gland
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Sweat glands that release some cellular material along with its secretions; located mainly in armpits and groin
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Apocrine sweat gland
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Thin band of involuntary muscle attacthed to the hair follicle
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Arrector pili
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Functions of the skin
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Protection against infection
Protection against dehydration Regulation of body temperature Collection of sensory information |
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Paleness of the skin
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Pallor
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Redness of the skin
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Flushing
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Bluish coloration due to lack of oxygen in circulating blood
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Cyanosis
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Yellowish discoloration of the skin
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Jaundice
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Yellowish discoloration of the skin caused by excess intake of carrots and other deeply colored vegetables
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Carotenemia
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Any wound or local damage to tissue
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Lesion
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Surface lesion
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Rash
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Raised surface lesion
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Eruption
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Redness of the skin accompanied by lesions
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Erythema
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A spot that is neither raised nor depressed; freckles
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Macule
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A firm, raised area; chickenpox, pimple
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Papule
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A blister or small sac that is full of fluid; shingles
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Vesicle (bulla)
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A vesicle filled with pus
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Pustule
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A scratch into the skin
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Excoriation
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A rough, jagged wound made by tearing the skin
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Laceration
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A sore associated with disintegration and death of tissue
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Ulcer
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a crack in the skin
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Fissure
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A wound or injury
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Trama
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Type of burn that involves the epodermis and perhaps a portion of the dermis; tissue is reddened and may blister
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Superficial partial-thickness
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Type of burn that involves the epidermis and portions of the dermis; tissue is blistered and broken with a weeping surface
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Deep partial-thickness
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Type of burn that involves the full skin and sometimes subcutaneous tissue and underlying tissue; tissue is broken, dry and pale, or charred
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Full-thickness
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Determining the amount of the body surface involved in a burn by assigning percentages in multiples of nine
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Rule of nines
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More accurate determination of the amount of the body surface involved in a burn; divides the body into small areas and estimates the proportion of BSA each contributes
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Lund and Browder method
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Wound healing is affected by:
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Nutrition
Infection Blood supply Age |
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Fibrous connective tissue that replaces normal tissue destroyed by injury or disease
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Scar (cicatrix)
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General term referring to any skin disease
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Dermatosis
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Inflammation of the skin
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Dermatitis
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Skin disease characterized by intense inthcing and skin inflammation; areas show redness, blisters, scaling
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Apoptic dermatitis
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Chronic overgrowth of the wpodermis leading to large, sharply outlined, red, flat areas covered with silvery scales
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Psoriasis
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Malignant tumor of melanocytes; originates in a nevus
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Melanoma
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Mole or birthmark
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Nevus
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Disease of the sebaceous glands connected with hair follicles
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Acne
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An acute contagious disease of staphylococcal or strepococcal origin; forms blisterlike lesions that fill with pus
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Impetigo
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Disease that causes the formulation of watery vesicles on the skin and mucous membranes
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Herpes simplex virus
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