toluidine blue O

toluidine blue O
toluidine blue O n TOLUIDINE BLUE

* * *

a basic blue dye related to methylene blue; used for both orthochromatic and metachromatic staining. It is used for staining histologic sections, in the Nissl method of staining, as a nuclear counterstain, for staining nucleic aicds during electrophoresis, and for staining proteoglycans. When used pharmaceutically, it is usually called tolonium chloride (q.v.).

Toluidine blue O stain of skin biopsy showing diffuse cutaneous mastocytosis with extensive mast cell infiltration.


Medical dictionary. 2011.

Look at other dictionaries:

  • toluidine blue — n a basic thiazine dye that is related to methylene blue and is used as a biological stain and esp. formerly as an antihemorrhagic drug called also tolonium chloride * * * a dye used in microscopy for staining basophilic substances in tissue… …   Medical dictionary

  • toluidine blue — toluidine blue. См. толуидиновый синий. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • toluidine blue — n. a dark green powder, C15H16N3SCl·ZnCl2, used in dyeing textiles, as a biological stain, as a coagulant in medicine, etc. * * * …   Universalium

  • toluidine blue — n. a dark green powder, C15H16N3SCl·ZnCl2, used in dyeing textiles, as a biological stain, as a coagulant in medicine, etc …   English World dictionary

  • toluidine blue — noun also toluidine blue O Usage: often capitalized T&B : a basic dye or its chloride of the thiazine class that is closely related chemically to methylene blue and is used chiefly as a biological stain and in medicine to treat hemorrhage (as in… …   Useful english dictionary

  • toluidine blue O — noun see toluidine blue …   Useful english dictionary

  • toluidine blue — (= CI Basic Blue 17) A thiazin dye related to methylene blue and Azure A in structure; often used for staining thick resin sections. Typically exhibits metachromasia …   Dictionary of molecular biology

  • toluidine blue — noun Date: 1898 a basic thiazine dye that is related to methylene blue and is used as a biological stain …   New Collegiate Dictionary

  • toluidine blue — a dye used in microscopy for staining basophilic substances in tissue specimens …   The new mediacal dictionary

  • Толуидиновый Синий (Toluidine Blue) — краситель; применяется в гистологии для окрашивания базофильных структур в препаратах. Источник: Медицинский словарь …   Медицинские термины

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