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36 Cards in this Set
- Front
- Back
2 types of Epithelial Membranes
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cutaneous membrane-the skin
serous membranes-simple squamous epithelium on a connective tissue basement membrane |
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parietal membrane
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lines the walls of body cavities
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visceral membrane
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covers organs found in body cavities
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where is the pleura found
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thoracic cavity
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where is the peritoneum found
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abdominal cavity
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pleurisy
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inflammation of the serous membranes that line the chest cavity and cover the lungs
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peritonitis
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inflammation of the serous membranes in the abdominal cavity that line the walls and cover the organs
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mucus membranes
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line the body surfaces that open directly to the exterior. They produce mucus, a thick secretion that keeps the membranes soft and moist
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connective tissue membranes produce a fluid called ________________ .
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synovial fluid
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two primary layers of the skin
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dermis
epidermis |
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structure of the epidermis
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several layers of stratified squamous epithelium
stratum germinativum-innermost layer of cells that continually reproduce, and new cells move toward the surface |
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as cells approach the surface of the skin, they are filled with a tough, waterproof protein called _________ .
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keratin
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outermost layer of the keratin filled cells
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stratum corneum
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skin pigment
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deepest epidermal layer, responsible for the production of pigment which gives color to the skin
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caused by the breakdown of union between cells or primary layers of skin
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blister
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The dermis is made largely of ______________________ tissue.
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connective
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dermal-epidermal junction
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specialized area between two primary skin layers
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Which is thicker, the dermis or the epidermis?
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dermis
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upper papillary layer of dermis characterized by parallel rows of tiny bumps
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dermal papillae
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the dermis contains the following:
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nerve endings, muscle fibers, hair follicles, sweat glands, sebaceous glands and blood vessels
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what is the soft hair found on a fetus or newborn
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lanugo
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hair growth requires and epidermal tube-like structure called a ________________
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hair follicle
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hair growth begins from the________________
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papilla
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specialized smooth muscle that produces "goose bumps" and causes hair to stand up straight
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arrector pili
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skin receptor capable of detecting light touch
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tactile (meissner) corpuscle
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skin receptor capable of detecting pressure
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lamellar (pacini) corpuscle
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skin receptor capable of detecting low frequency vibration
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bulboid
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skin receptor capable of detecting pain
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free nerve endings
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three types of skin glands
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eccrine-most numerous- assist in heat regulation,
apocrine-thicker secretion-found primarily in axilla and around genitalia sebaceous-secrete oil or sebum; increases during adolescence |
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types of skin cancer
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squamous cell carcinoma
basal cell carcinoma malignent melanoma kaposi carcinoma |
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squamous cell carcinoma characteristics
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common type of skin cancer
slow growing lesions begin as painless, hard, raised nodules |
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basal cell carcinoma characteristics
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originates at cells in base of epidermis lesions begin as small raised areas that erode in center, bleed and crust over
less likely to metastasize |
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malignant melanoma characteristics
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most serious form of skin cancer
may develop from benign pigmented moles of excess UV radiation ABCD rule of self examination |
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function of the skin
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protection
temperature regulation |
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the body can release almost ______
calories of body hear.t per day |
3000
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mechanisms of temp regulation
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regulation of sweat secretion
regulation of flow of blood close to the body surface |