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Pronunciation: ūn′ah pahp′ĕn-hīm
Definition: a contrast stain consisting of a methyl green-pyronin solution; originally used for gonococci, but later used to detect RNA and DNA in tissue sections; RNA is stained red and DNA appears green; used to demonstrate plasma cells during chronic inflammation.
See: methyl green-pyronin stain
Examples: glitazone, GI cocktail, etc.
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