Used in combined Hematoxylin and Eosin/Methenamine Silver Stain for the fungi in tissue Sections. For bacterial, fungal stains. See references: Lamps, Laura W. et al A Combined Hematoxylin and Eosin/Methenamin Silver Stain for theHistological Diagnosis of Fungi In Tissue Sections., J. of Histotechnology 23:4 p.341 – 345, 2000.