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19 Cards in this Set
- Front
- Back
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tissues of body
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-epithelia
-connective tissue -muscle -nerve |
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simple vs. stratified
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-one layer
-multiple cell layer |
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simple squamous
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-line heart, b vessels
-blood tissue, lymph tissue -pulm alveoli |
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simple cuboidal
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-central nucleus
-protective -form gland ducts -cluster funcition as exocrine gland |
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simple columnar non ciliated
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-ovoid nucleus, centrally/basally positioned
-protect wet surfaces, nutrient abs. -often contain microvilli |
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simple columnar ciliated
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-mostly in oviduct
-cilia much larger than microvilli |
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simple psuedostratified columnar ciliated
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-all attatch to b. membrane
-some reach lumenal surface -UR tract |
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stratified cuboidal
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-protective
-usually 2 layers -goblet cells for mucus secretion |
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stratified squamous keratinezed
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-on surfaces open to air
-strong, protects, prevents invasion |
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stratified squamous non keratinzed
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-strong, prevents invasion, protects
-on moist surfaces |
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stratified transitional
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-lateral stretching
-impermeable -lower urinary tract: urothelium |
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tight junctions
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-protects cells
-adhere adjc cells together in sheets |
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zonula adherens
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-mechanical ring of cadherin protects shearing
-not diffusive barrier |
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hemidesmosomes
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-adherence of epithelial cells to b. lamina
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gap junctions
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-communicating junctions
-ions/small mol can pass btwn cells |
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cilia
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-growth from basal bodies
-similar to centrioles |
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microvilli
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-inc SA of cell
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sterocilia
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-long specialized microvilli
-epididymis, inner ear |
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exocrine gland
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-serous
-mucous |
