NCIt definition : A histological staining method that uses acid dyes and washes to selectively dye the
structural elements in tissue samples in three or more contrasting colors.;
Alternative definition : CDISC: A microscopy staining method that utilizes two or more colored, acidic dyes
of contrasting colors. Masson trichrome is a mixture of three dyes including aniline
blue, Beibrich scarlet and Weigert's iron hematoxylin. Other related, modified trichrome
staining methods include Lillie's trichrome, Gomori's trichrome and Mallory's trichrome.;