pasteurella

noun
pas·​teu·​rel·​la | \ˌpas-tə-ˈrel-ə \

Medical Definition of pasteurella 

1 capitalized : a genus of gram-negative facultatively anaerobic nonmotile rod bacteria of the family Pasteurellaceae that stain differentially at the poles of the cell and include several important pathogens especially of domestic animals — see hemorrhagic septicemia, yersinia

2 plural pasteurellas or pasteurellae\-​ˌlī \ : any bacterium of the genus Pasteurella

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