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Ziehl-Neelsen stain

Pronunciation: zel nal'sen

Definition: a method for staining acid-fast bacteria using Ziehl stain, decolorizing in acid alcohol, and counterstaining with methylene blue; acid-fast organisms appear red, other tissue elements light blue; a modification of this stain is also used for Actinomycetes and Brucella.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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