Source:http://linkedlifedata.com/resource/umls/id/C0487602
CSP: marking of cells, tissues, or microorganisms with a dye or other reagent for the purpose of identifying and quantitating their components or their extracts.,NCI: Any of the various methods that use a dye, reagent, or other material for producing coloration in tissues or microorganisms for microscopic examination.,MSH: The use of a dye, reagent, or other material for producing coloration or contrast in biological materials for examination or observation.