Masson's trichrome stainmedical dictionary

<technique>

Original composition for multicolored tissue preparations included Ponceau de xylidine, acid fuchsin, iron alum haematoxylin, and either aniline blue or fast green FCF; chromatin stains black, cytoplasm is in shades of red, granules of eosinophils and mast cells are deep red, erythrocytes are black, elastic fibres are red, and collagen fibres and mucus are dark blue (aniline blue) or green (fast green FCF); modifications substitute other dyes, such as Biebrich scarlet red and wool green stain.

(05 Mar 2000)