Definition of toluidine blue in English:
toluidine blue
nounˈtɒljʊɪdiːntɒˈljuː-təˌlo͞oədēn ˈblo͞o
mass nounA synthetic blue dye used chiefly as a stain in biology.
A thiazine dye; chemical formula: C₁₅H₁₆ClN₃S
Example sentencesExamples
- Specimens were stained with toluidine blue and basic fuchsin.
- Inactive DNA is readily stained with hematoxylin, toluidine blue, and other similar basic dyes.
- Thick sections were stained with alkaline toluidine blue for light microscopic examination and selection of areas for electron microscopic study.
- The matrix or ground substance of cartilage is strongly basophilic and stains metachromatically with toluidine blue and other similar basic dyes.
- The cytoplasm of medullar cells stains deeply with toluidine blue, while the cytoplasm of cortical cells stains faintly.
Origin
Late 19th century: toluidine from toluene + -ide + -ine4.