Grocott-Gomori methenamine-silver stain
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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
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
Silver stain — A silver stain (GMS) demonstrating the fungus histoplasma (black round balls) in a liver biopsy. Silver staining is the use of silver to selectively alter the appearance of the target. Contents … Wikipedia
stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… … Medical dictionary
Gomori — George, Hungarian histochemist in the U.S., 1904–1957. See Grocott G. methenamine silver stain, G. nonspecific alkaline phosphatase stain, G. one step trichrome stain, G. silver impregnation stain, G. chrome alum hematoxylin phloxine stain. See… … Medical dictionary
Periodic acid-Schiff stain — Periodic acid Periodic acid Schiff (PAS) is a staining method used to detect glycogen and other polysaccharides in tissues. The reaction of periodic acid oxidizes the diol functional groups in glucose and other sugars, creating aldehydes that… … Wikipedia
Masson's trichrome stain — of rat airway. Connective tissue is stained blue, nuclei are stained dark red/purple, and cytoplasm is stained red/pink. Masson s trichrome is a three colour staining protocol used in histology. The recipes evolved from Claude L. Pierre Masson s… … Wikipedia
Methyl blue — Identifiers CAS number 28983 56 4 … Wikipedia
Aspergillosis — Classification and external resources Histopathologic image of pulmonary invasive aspergillosis in a patient with interstitial pneumonia. Autopsy material. Grocott s methenamine silver stain … Wikipedia
Methyl violet — 2B IUPAC name Methyl violet 2B … Wikipedia
