Grocott-Gomori methenamine–silver nitrate stain
- Grocott-Gomori methenamine–silver nitrate stain
- a method for demonstrating actinomycetes and fungi in tissue. Sections are treated with chromic acid, stained with methenamine-silver nitrate solution, and counterstained with light green solution. Cells appear brown against a green background.
Medical dictionary.
2011.
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methenamine silver stain — 1. (for argentaffin cells) a methenamine silver solution used together with gold chloride, sodium thiosulfate, and a safranin O counterstain; argentaffin granules are black while granules of mast cells remain red. 2. (for fungi) Grocott Gomori… … Medical dictionary
