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gram-negative
(redirected from Gram-negative bacilli)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
gram-neg·a·tive or Gram-neg·a·tive (grmng-tv)
adj.
Of, relating to, or being a bacterium that does not retain the violet stain used in Gram's method.

Gram-negative
adj
(Life Sciences & Allied Applications / Microbiology) designating bacteria that fail to retain the violet stain in Gram's method

gram-negative
Relating to a group of bacteria that do not change color when subjected to the laboratory staining method known as Gram's method or Gram's stain. Gram-negative bacteria have relatively thin cell walls and are generally resistant to the effects of antibiotics or the actions of the body's immune cells. Gram-negative bacteria include E. coli and the bacteria that cause gonorrhea, typhoid fever, rickettsial fever, cholera, syphilis, plague, and Lyme disease. Compare gram-positive.
ThesaurusLegend:  Synonyms Related Words Antonyms
Adj.1.Gram-negative - (of bacteria) being of or relating to a bacterium that does not retain the violet stain used in Gram's method
bacteria, bacterium - (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants
disconfirming, negative - not indicating the presence of microorganisms or disease or a specific condition; "the HIV test was negative"


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We recently proposed that gram-negative bacilli lacking susceptibility to all commercially available antimicrobial drugs also be referred to as XDR because no therapeutic options are available (4).
Over the last several years, it has been increasingly apparent that many Gram-negative bacilli are also displaying resistance to the remaining antimicrobics available for treatment.
Chronic sinusitis may be exacerbated by gram-negative bacilli or anaerobic microorganisms.
 
 
Gram-calorie
Gram-calorie
gram-centimeter
gram-centimeter
Gram-Charlier series
Gram-Charlier Series Approximation
Gram-equivalent weight
Gram-equivalent weight
Gram-equivalent weight
Gram-force
gram-ion
GRAM-Kivu
gram-meter
gram-molecular mass
gram-molecular volume
gram-molecular volume
gram-molecular weight
gram-molecular weight
gram-molecular weight
gram-molecule
gram-negative
gram-negative
gram-negative
Gram-Negative Anaerobic Bacilli
Gram-negative anaerobic cocci
Gram-negative anaerobic cocci
Gram-negative anaerobic cocci
Gram-negative anaerobic straight, curved, and helical rods
Gram-negative anaerobic straight, curved, and helical rods
Gram-Negative Bacillary Pneumonias
Gram-negative bacilli
Gram-Negative Bacillus
gram-negative bacteremia
Gram-negative bacteria
Gram-negative bacteria
Gram-negative bacteria
Gram-Negative Bacteria-Binding Protein
Gram-Negative Bacterial Bacteremia
Gram-Negative Bacterial Infection
Gram-negative bacterial infections
Gram-negative bacterial infections
Gram-negative bacterial infections
Gram-negative bacterium
Gram-negative bacterium
Gram-negative bacterium
Gram-Negative Core Antigens
Gram-Negative Diplococci
Gram-Negative Diplococci
Gram-Negative Enteric Bacilli
gram-negative folliculitis
gram-negative folliculitis
gram-negative folliculitis
Gram-Negative Intra-Abdominal Infections
Gram-Negative Intracellular Diplococci
gram-negative meningitis
Gram-negative oxygenic photosynthetic bacteria
Gram-negative oxygenic photosynthetic bacteria
Gram-negative oxygenic photosynthetic bacteria
Gram-Negative Rods
gram-positive
gram-positive
 
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