Re: Grimelius silver stain
You can use a section of small intestine that contains argentaffin cells as a
control for this stain. Even though the stain is for argyrophil substances,
it will also stain argentaffin substances, because they will automatically
reduce the silver without a chemical reducer. So to differentiate between
argentaffin and argyrophil substances you need to run both the Gremilius and
a Fontana-Masson or other argentaffin stain. Then you need to compare.
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