periodic acid-Schiff

adjective
\ -ˈshif How to pronounce periodic acid-Schiff (audio) \

Medical Definition of periodic acid-Schiff

: relating to, being, or involving a reaction testing for polysaccharides and related substances in which tissue sections are treated with periodic acid and then Schiff's reagent with a reddish violet color indicating a positive test caused by the reaction with Schiff's reagent of aldehydes formed by the oxidation of hydroxyl groups on adjacent carbon atoms or of adjacent hydroxyl and amino groups

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“Periodic acid-Schiff.” The Merriam-Webster.com Medical Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/medical/periodic%20acid-Schiff. Accessed 12 December 2019.

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