Masson-Fontana ammoniac silver stain

Mas·son-Fon·tan·a am·mo·ni·a·c sil·ver stain

(mah-sawn[h]' fon-tah'nă), a stain used to demonstrate melanin and argentaffin granules. Synonym(s): Fontana-Masson silver stain

Mas·son-Fon·tan·a am·mo·ni·a·c sil·ver stain

(mas-ōn' fon-tan'ă a-mōn'ē-ak sil'vĕr stān) A stain used to demonstrate melanin and argentaffin granules.