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Cards In This Set
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How are epithelial tissue classified?
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Number of cell layers and the shape of the cells in the outer layer.
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What are the two basic roles of epithelial tissue?
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Covering/lining and glandular.
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What is the basement membrane?
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A thin, glue like layer that holds the epithelium in place while remaining permeable to water and other substances.
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What do exocrine secretions do?
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Glands secrete substances into ducts that empty onto epithelial surfaces?
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Simple Squamous are found where
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Alveoli of lungs, lining of blood and lymphatic vessels, surface layers of pleura, pericardium, and peritoneum.
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What do endocrine secretions do?
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Glands that secrete substances that diffuse into the bloodstream.
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What are squamous shaped like?
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Fish scales, wider than taller, nuclei may be absent in cross section.
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Transitional epithelium?
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Cells change shape, great deal of stretching and recoil
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Difference between keratinized and non keratinized stratified squamous tissue?
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Keratinized lacks nuclei, filled with tough waterproof material and non keratinized are nucleated.
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Where are stratified nonkeratinized squamous found?
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Mucous membrane lining, mouth, esophagus, vagina
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Where are stratified keratinized squamous found?
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Surface of skin
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Where are simple cuboidal found?
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In many types of glands, ducts, in kidney tubules
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Where are pseudostratified tissue found?
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Surface of mucous membrane lining trachea, nasal, large ducts of some gland
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Where are simple columnar found?
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Surface layer of mucous lining of stomach, intestines, and part of the resp. tract
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Where are transitional epithelium found?
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Surface of membrane lining urinary bladder and ureters
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