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12 Cards in this Set
- Front
- Back
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Define: Dehydration
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the removal of water
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Define: Clearing
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process of replacing the alcohol (dehydrating agent) with a reagent that is miscible with paraffin. Most leave the tissue transparent
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Define: Infiltration
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permeation, as in paraffin permeating (spreading or flowing throughout) tissue; impregnation
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Define: Embedding
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also referred to as casting or blocking, involves enclosing the tissue in the infiltration medium used for processing and then allowing the medium to solidify
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Define: Universal solvent
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Chemical reagent that acan be used for both the ehydrating and clearing steps in tissue processing. Dioxane, tertiary butanol, and tetrahydrofuran
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Define: Essential oil
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natural substance you can use for a clearing agent (instead of Xylene) ie. Eucalyptus oil, peanut oil
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Define: Carbowax
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a water soluable wax that will not infiltrate fatty tissue
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Define: Cross-section
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cutting a specimen to show the entire view
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Define: Decalcification
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The process of removing calcium form bone or tissue
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Define: Ion exchange
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used for decalcification. Method includes using an ion gradient and electrons
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Define: Chelating agent
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organic compounds that have the property of binding certain metals
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Define: Miscible
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capable of mixing or being mixed
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