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Pronunciation: bă′si-lā′sē-ē

Definition: A family of aerobic or facultatively anaerobic, spore-forming, ordinarily motile bacteria (order Eubacteriales) containing gram-positive rods. These organisms are chemoheterotrophic. Some species are pathogenic. Ordinarily two genera, Bacillus and Clostridium, are included. The type genus is Bacillus.

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