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49 Cards in this Set
- Front
- Back
Mucous Membrane
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epithelial membranes that line body surfaces opening directly to the exterior and secrete a thick, slippery material called mucus
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Connective Tissue
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one of the two major types of body membranes; composed exclusively of various types of connective tissue
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Epithelial Membrane
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membrane composed of epithelial tissue with an underlying layer of specialized connective tissue
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Epidermis
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outermost layer of the skin
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Keratin
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protein substances found in hair, skin, nail, outer skin cells, and horny tissue
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strateum corneum
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the tough outer layer of the epidermis; cells are filled with keratin
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stratum germinativum
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the innermost layer of the tightly packed epithelial cells of the epidermis; cells in tthis layer are able to reproduce themselves
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protection
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protects against microbes, entry of chemicals, tears and cuts, excessive fluid loss, from UV rays, etc
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dermal-epidermal junction
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junction between the thin epidermal layer of the skin and the dermal layer; provides support for the epidermis
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vitiligo
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patchy areas of light skin caused by acquired loss of epidermal melanocytes
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cyanosis
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condition in which light-skinned individuals exhibit a bluish coloration resulting from relatively low oxygen content in the arterial blood; literally "ble condition"
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sense organ
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millions of nerve endings serve as antennas or receivers for the body, keeping it informed of changes in its environment. make it possible for the body to detect sensations of light and touch, pressures, and to respond to the sensations of pain, heat, and cold
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striae
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stretch marks; caused by stretching of the skin beyond its ability to rebound
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lanugo
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the extremely fine and soft hair found on a newborn infant
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hair papilla
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a small, cap-shaped cluster of cells located at the base of the follicle where hair growth begins.
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dermis
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the deeper of the two major layers of the skin, composed of dense fibrous connective tissue interspersed with glands, nerve endings, and blood cessels; true skin
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meissner corpuscle
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a sensory receptor located in the skin close to the surface that detects light touch; tactile corpuscle
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hair shaft
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the visible part of the hair
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temperature regulation
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regulating sweat secretion and by regulating the flow of blood close to the body surface
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melanin
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brown skin pigment
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eccrine glands
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small sweat glands distributed over the total body surface
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appocrine glands
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sweat glands located in the axilla and genital regions; these glands enlarge and begin to function at puberty
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arrector pilli
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smooth muscles of the skin, which are attached to hair follicles; when contractions occur, the hair stands up, resulting in goose bumps
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impetigo
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a highly contagious bacterial skin infection that occurs most often in children
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scabies
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contagious skin condition caused by the itch mite
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excoriation
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skin lesion in which the epidermis has been remoced, as in a scratch wound
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hypodermis
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the loose ordinary tissue just under the layers of skin and superficial to the muscles; made of loose connective tissue and fat
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pleura
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the sereous membrane in the thoracic cavity
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fissure
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deeo crack in the skin
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birthmark
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developmental malformation of dermal vessels can result in these
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peritonitis
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inflammation of the serous membranes in the abdominopelvic cavity; sometimes a serious complication of an infected appendix
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decubitis ulcer
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pressure sore that opten develops over a bony prominence, such as the heel, when lying in one position for prolonged periods
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rules of nines
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a frequently used method to determine the extent of a burn injury; the body is divided into 11 areas of 9%; each to help estimate the amount of skin surface burned in an adult
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vesicles
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a clinical term referring to blisters, fluid-filled skin lesions
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first degree burn
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minor burn with only minimal discomfort and no blistering; epidermis may peel but no dermal injury occurs; partial thickness burn
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second degree burn
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burn injury that is more severe than a first-degree burn and often involves damage to the dermis;
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third degree burn
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involves complete destruction of both epidermis and dermis with injury extending into subcutaneous tissue; full-thickness burn
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kaposi sarcoma
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a malignant cancer of the skin characterized by purplish spots
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alopecia
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clinical term referring to hair loss
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lamellar (pacini) corpuscle
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a receptor found in the dermis that detects pressure on the skin surface
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nail body
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the visible part of the nail
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onycholysis
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separation of nail from the bed that begins at the distal or free edge of the effected nail
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sebaceous gland
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oil-producing glands found in the skin
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tinea
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fungal infection of the skin
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exposure to sun
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over exposure to ultraviolet light (sunburn) or contact of the skin with an electrical current or a harmful chemical such as an acid also can cause burns
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basil cell carcinoma
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skin cancer, often occurring on upper face, with low potential for metastasizing
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melanoma
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a malignant neoplasm (cancer) of the pigment-producing cells of the skin (melanocytes); malignant melanoma
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squamous cell carcinoma
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malignant tumor of the epidermis; slow-growing cancer that is capable of metastasizing; the most common type of skin cancer
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furnucle
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boil; a pus filled cavity formed by some hair follicle infections
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