Gram's stain
or Gram stain noun Etymology: Hans C. J. Gram died 1938 Danish physician Date: 1903 1. a method for the differential staining of bacteria by treatment with a watery solution of iodine and the iodide of potassium after staining with a triphenylmethane dye (as crystal violet) — called also Gram's method 2. the chemicals used in Gram's stain

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Gram's stain — or Gram stain gram n 1) a method for the differential staining of bacteria that involves fixing the bacterial cells to a slide and staining usu. with the basic dye crystal violet, treating with an iodine solution to fix the dye, washing with… …   Medical dictionary

  • Gram's stain — noun a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram s solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the… …   Useful english dictionary

  • Gram's stain — a method of staining bacterial cells, used as a primary means of identification. A film of bacteria spread onto a glass slide is dried and heat fixed, stained with a violet dye, treated with decolourizer (e.g. alcohol), and then counterstained… …   The new mediacal dictionary

  • Окрашивание По Граму (Gram'S Stain) — метод окрашивания бактериальных клеток, применяемый для их первичной идентификации. Тонкий слой, содержащий бактерии; наносится на предметное стекло, высушивается и фиксируется воздействием тепла; затем окрашивается фиолетовым красителем,… …   Медицинские термины

  • Gram's solution — gramz n a watery solution of iodine and the iodide of potassium used in staining bacteria by Gram s stain Gram gräm Hans Christian Joachim (1853 1938) Danish physician. Gram introduced his method for the differential staining of bacteria in 1884 …   Medical dictionary

  • Gram's method — n. Biol. a method of differentiating bacteria by staining with a dye, then attempting to remove the dye with a solvent, for purposes of identification. Phrases and idioms: Gram positive (or negative) (of bacteria) that do (or do not) retain the… …   Useful english dictionary

  • Gram's procedure — noun a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram s solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the… …   Useful english dictionary

  • Gram's method — noun see Gram s stain …   New Collegiate Dictionary

  • Gram's method — [gramz] n. [after Hans C. J. Gram (1853 1938), Dan physician] a method of staining bacteria for the purpose of classification, involving treatment with crystal violet, an iodine solution, and alcohol: the violet stain is retained by Gram positive …   English World dictionary

  • Gram's solution — noun a solution used in staining bacteria by Gram s method; consists of one part iodine and two parts potassium iodide and 300 parts water • Hypernyms: ↑solution * * * noun Usage: usually capitalized G Etymology: after H. C. J. Gram : a solution… …   Useful english dictionary

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