| auramine O fluorescent stain | <technique> A rapid and accurate technique for Mycobacterium tuberculosis, using auramine O-phenol and a methylene blue counterstain. (05 Mar 2000) |
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| basic stain | <technique> A dye in which the cation is the coloured component of the dye molecule that binds to anionic groups of nucleic acids (PO4≡) or acidic mucopolysaccharides (e.g., chondroitin sulfate). (05 Mar 2000) |
| Bauer's chromic acid leucofuchsin stain | <technique> A stain for glycogen and fungi utilizing chromic acid as an oxidizing agent of polysaccharides, followed by Schiff's reagent; glycogen and fungi cell walls appear deep red. (05 Mar 2000) |
| Becker's stain | <technique> For spirochetes, a stain applied to thin films fixed in formaldehyde-acetic acid; preparations are treated successively with tannin, carbolic acid, and carbol fuchsin. (05 Mar 2000) |
| Bennhold's Congo red stain | <technique> An amyloid stain useful for amyloid detection in pathologic tissue; gives red staining of amyloid; also induces green birefringence to amyloid under polarised light. (05 Mar 2000) |
| Berg's stain | <technique> A method for staining spermatozoa, utilizing a carbol-fuchsin solution followed by dilute acetic acid and methylene blue; spermatozoa are stained a brilliant red and most other structures appear blue to purple. (05 Mar 2000) |
| Best's carmine stain | <technique> A method for the demonstration of glycogen in tissues. (05 Mar 2000) |
| Bielschowsky's stain | <technique> A method of treating tissues with silver nitrate to demonstrate reticular fibres, neurofibrils, axons, and dendrites. (05 Mar 2000) |
| Biondi-Heidenhain stain | <technique> An obsolete stain for spirochetes, using acid fuchsin and orange G. (05 Mar 2000) |
| Birch-Hirschfeld stain | <technique> An obsolete stain for demonstrating amyloid, using Bismarck brown and crystal violet; amyloid is usually stained a bright ruby red, whereas the cytoplasm of cells is not stained and nuclei are brown. (05 Mar 2000) |
| Bowie's stain | <technique> A stain for juxtaglomerular granules in which the kidney sections are stained in a mixture of Biebrich scarlet red and ethyl violet; juxtaglomerular granules and elastic fibres are stained a deep purple, erythrocytes are amber, and background tissue appears in shades of red. (05 Mar 2000) |
| Brown-Brenn stain | <technique> A method for differential staining of Gram-positive and Gram-negative bacteria in tissue sections; it utilises a modified Gram stain of crystal violet, Gram's iodine, and basic fuchsin. (05 Mar 2000) |
| Cajal's astrocyte stain | <technique> A method for demonstrating astrocytes by impregnation in a solution containing gold chloride and mercuric chloride. (05 Mar 2000) |
| carbol-thionin stain | <technique> A stain useful for demonstrating typhoid bacilli in films and sections, and for Nissl substance. (05 Mar 2000) |
| Macchiavello's stain | <technique> A basic fuchsin-citric acid-methylene blue sequence in smears which produces red staining of rickettsiae and inclusion bodies, with nuclei staining blue. (05 Mar 2000) |