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a bacterial species found in soil and water, on grain, and in the intestinal tract of humans and other animals; it also occurs in association with several pathologic conditions, urinary tract infections, sputum, feces, and metritis in mares; capsular types 1, 2, and 3 of this organism may be causative agents in pneumonia; organisms previously identified as nonmotile strains of Aerobacter aerogenes are now placed in this species; it is the type species of Klebsiella.
Farlex Partner Medical Dictionary © Farlex 2012
n. pl. pneumoba·cilli (-sĭl′ī′)
A nonmotile, gram-negative bacterium (Klebsiella pneumoniae) that causes a severe form of pneumonia and is associated with other respiratory infections. Also called Friedländer's bacillus.
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