triphenylmethane dyes

tri·phen·yl·meth·ane dyes

a group of dyes that includes pararosanilin, as well as many others used in histology and cytology; employed as nuclear, cytoplasmic, and connective tissue stains; important in histochemistry as in the preparation of Schiff reagent.
References in periodicals archive ?
Absorption of triphenylmethane dyes Brilliant Blue and Patent Blue through intact skin, shaven skin and lingual mucosa from daily life products.