cresyl blue
Pronunciation: kres′il blū brĭl-yent
Definition: A basic oxazin dye used for staining the reticulum in young erythrocytes (reticulocytes); also used in vital staining and as a selective stain for gastric surface epithelial mucin and other acid mucopolysaccharides.
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Examples: glitazone, GI cocktail, etc.
