adj gram

См. также в других словарях:

• gram — Adj erw. obs. (11. Jh.), mhd. gram, ahd. gram, as. gram Stammwort. Aus g. * grama Adj. gram, böse , auch in anord. gramr, ae. gram. Das zugehörige Maskulinum Gram erst seit mittelhochdeutscher Zeit; dagegen ist das Verb (sich) grämen… …   Etymologisches Wörterbuch der deutschen sprache

• gram — GRAM, grame, s.n. Unitate de măsură pentru masa (ori greutatea) unui corp, egală cu a mia parte dintr un kilogram. ♢ Gram forţă = unitate de măsură pentru forţă, egală cu a mia parte dintr un kilogram forţă. – Din fr. gramme. Trimis de gall,… …   Dicționar Român

• Gram-negative — bacteria lose the crystal violet stain (and take the color of the red counterstain) in Gram s method of staining. This is characteristic of bacteria that have a cell wall composed of a thin layer of a particular substance (called peptidoglycan).… …   Medical dictionary

• 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-variable — gram vari·able gram ver ē ə bəl, var adj staining irregularly or inconsistently by Gram s stain * * * gram var·i·a·ble (gram varґe ə bəl) appearing to be a mixture of gram positive and gram negative organisms, said of gram positive… …   Medical dictionary

• Gram-variable — /gram vair ee euh beuhl/, adj. (often l.c.) of or pertaining to bacteria that stain irregularly with Gram s stain, being neither Gram positive nor Gram negative. [1955 60; see GRAM S METHOD] * * * …   Universalium

• gram molecule — gram molecular /gram meuh lek yeuh leuhr/, gram molar /gram moh leuhr/, adj. Chem. that quantity of a substance whose weight in grams is numerically equal to the molecular weight of the substance. Cf. Avogadro s number. [1890 95] * * * …   Universalium

• Gram-negative — /gram neg euh tiv/, adj. (often l.c.) (of bacteria) not retaining the violet dye when stained by Gram s method. [1905 10; see GRAM S METHOD] * * * …   Universalium

• 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-negativa — adj. microb. Dícese de la bacteria que no se tiñe con la coloración de Gram. Sus paredes, que son muy finas, contienen lipopolisacáridos. Pertenecen a este grupo las Salmonella, Escherichia, Neisseria, brucelas, espirilos y vibriones, entre otros …   Diccionario médico

• gram-positiva — adj. microb. Dícese de la bacteria que se tiñe con la coloración de Gram. Sus paredes son gruesas y contienen ácido murámico y un aminoazúcar. Pertenecen a este grupo los estreptococos, neumococos, estafilococos y clostridios, entre otras.… …   Diccionario médico