brilliant cresyl blue
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Related to brilliant cresyl blue: Janus green
cres·yl blue, cresyl blue brilliant (kres'il blū brĭl-yent), [C.I. 51010]
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.