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Biological Stains 



Cytoplasm stains (acid) 

 Picric acid 

 Orange G 

 Light green SF yellowish 



Fast green FCF 



Stains for cell inclusions (mitochondria, etc.) 



Bordeaux red 

 Methyl orange 

 Acid fuchsin 

 Eosin Y 



Aiu-antia 

 Janus green B 

 Hematoxylin 



Acid fuchsin 

 Crystal violet 



PATHOLOGY AND BACTERIOLOGY 



Nuclear stains (basic) 



Thionin 

 Azure A 

 Azure C 

 Methylene blue 

 Toluidine blue O 

 Safranin O 

 Cresyl violet 

 Basic fuchsin 



Cytoplasm stains (acid) 



Picric acid 



Martins yellow (for cancer tissue) 



Orange G 



Methyl orange 



Amaranth (for nervous tissue) 



Biebrich scarlet W. S. 



Congo red 



Alizarin red S 



Neutral red 



Nigrosin 



Blood stains and their constituents 



Giemsa stain 

 Wright stain 



Tetrachrome stain 



Fat stains 



Sudan IV 



Nile blue sulfate 



Bacterial stains 



Bismarck brown (Gram counterstain) 

 Thionin 

 Methylene blue 

 Toluidine blue O 

 Safranin O (Gram counterstain) 

 Basic fuchsin 



Gentian violet (including crystal and 

 methyl violets) 



Used in bacteriological media 



Neutral red 

 Basic fuchsin 

 Acid fuchsin 



Hofmann violet 



Iodine green 



Crystal or methyl violet 



Pyronin 



Cochineal and carmine 



Orcein 



Hematoxylin 



Malachite green 



Light green SF yellowish 



Acid fuchsin 



Methyl blue 



Anilin blue, W S. 



Eosin Y 



Eosin B 



Ethyl eosin 



Phloxine 



Erythrosin 



Methylene blue (basic) 

 Azure A (basic) 

 Eosin Y (acid) 



Oil red O 

 Sudan black B 



Nigrosin 



Methyl green (constituent of Pap- 



penheim stain) 

 Pyronin (same) 

 Erythrosin 

 Rose bengal 



Brilliant green 



Methylene blue 

 Eosin Y 



