Masson-Fontana ammoniac silver stain

(redirected from Fontana-Masson 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.
Farlex Partner Medical Dictionary © Farlex 2012

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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The following special staining methods were used in selected cases: periodic acid-Schiff, Alcian blue at pH 2.5, Mayer mucicarmine, and Fontana-Masson silver stain. Additional sections mounted on precoated slides were stained by the EnVision+ method (Dako, Glostrup, Denmark) using a TechMate 500 automated immunostainer (BioTek, Santa Barbara, Calif).
Fontana-Masson silver stains the melanin in the cell wall when the capsule is deficient or present.