Fontana stain

Fontana stain
a method of staining spirochetes by silver impregnation, using ammoniacal silver nitrate solution.

Medical dictionary. 2011.

Look at other dictionaries:

  • 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

  • Fontana — Felice, Italian physiologist, 1730–1805. See F. canal, F. spaces, under space. Arturo, Italian dermatologist, 1873–1950. See F. stain, F. Masson silver stain, Masson F. ammoniac silver stain …   Medical dictionary

  • Fontana-Masson stain — an ammoniacal silver nitrate stain for melanin and argentaffin material; used in the diagnosis of melanoma, pheochromocytoma, and carcinoid tumors …   Medical dictionary

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  • Masson — Pierre, Canadian pathologist, 1880–1959. See M. Fontana ammoniac silver stain. See entries under stain …   Medical dictionary