gram-positive

gram-positive
  a. denoting a class of bacteria stainable by method invented by H. J. C. Gram,
  Danish physician.
   ♦ gram-negative, a. denoting class of bacteria not stainable thus.

Dictionary of difficult words. 2015.

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  • Gram-positive — bacteria retain the color of the crystal violet stain in the Gram stain. This is characteristic of bacteria that have a cell wall composed of a thick layer of a particular substance (called peptidologlycan). The Gram positive bacteria include… …   Medical dictionary

  • Gram-positive — [gram′päz′ə tiv] adj. [also g ] designating bacteria that retain the color stain: see GRAM S METHOD …   English World dictionary

  • Gram-positive — Bacillus cereus, lichtmikroskopisch, Gram Färbung: grampositiv Pseudomonas aeruginosa, lichtmikroskopisch, Gram Fä …   Deutsch Wikipedia

  • Gram-positive bacteria — Gram positive bacteria, stained purple, of both the bacillus (“rod shaped”) and coccus (spherical) forms.  A few Gram negative bacteria are also present, stained pink.  Numbered ticks are eleven (11) microns apart. Gram positive… …   Wikipedia

  • gram-positive/negative —    Gram s Method is a staining procedure that separates bacteria into those that stain (positive) and those that don t (negative). Gram positive bugs cause such lovely things as scarlet fever, tetanus, and anthrax, while some of the gram negs can …   Herbal-medical glossary

  • Gram-positive bacteria — Gram positive bacteria. См. грам положительные бактерии. (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.

  • Gram-positive — Gram positif Les bactéries à Gram positif sont mises en évidence par une technique de coloration appelée coloration de Gram. Les bactéries à Gram positif apparaissent alors mauves au microscope. La technique de coloration repose sur les… …   Wikipédia en Français

  • Gram positive — Gram positif Les bactéries à Gram positif sont mises en évidence par une technique de coloration appelée coloration de Gram. Les bactéries à Gram positif apparaissent alors mauves au microscope. La technique de coloration repose sur les… …   Wikipédia en Français

  • Gram-positive — /gram poz i tiv/, adj. (often l.c.) (of bacteria) retaining the violet dye when stained by Gram s method. [1905 10; see GRAM S METHOD] * * * …   Universalium

  • Gram-positive — Gram′ pos′itive [[t]græm[/t]] adj. (often l.c.) mcr lab (of bacteria) retaining the violet dye when stained by Gram s method • Etymology: 1905–10 …   From formal English to slang

  • gram-positive bacterium — see gram positive, under G …   Medical dictionary

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