Field stain B

Field's stain B is a histological method for staining of blood smears. 

Field's stain is a version of a Romanowsky stain, used for rapid processing of the specimens. Polychromated methylene blue and eosin stains selectively basophilic and acidophilic cellular elements to demonstrate blood cells and hemo-parasites. It is used for staining thick blood films to discover malarial parasites.

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Appearance
Field's stain B is a orange coloured solution.