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pigments. Any normal or abnormal colouring matter in plants, animals, or micro-organisms. Please contribute to this project, if you have more information about this term feel free to edit this page. This page was last modified on 3 October 2005, at 21:16.This page has been accessed 8,294 times.
dye. any of various colored substances containing auxochromes and thus capable of coloring substances to which they are applied; used for staining and coloring, as test reagents, and as therapeutic agents. acridine dye. acriflavine and proflavine are antiseptic dyes.