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Definition of Francisella
1. Noun. A genus of Gram-negative aerobic bacteria that occur as pathogens and parasite in many animals (including humans).
Exact synonyms: Genus Francisella
Generic synonyms: Bacteria, Bacterium
Member holonyms: Francisella Tularensis
Generic synonyms: Bacteria, Bacterium
Member holonyms: Francisella Tularensis
Medical Definition of Francisella
1. An organism frequently found in natural waters. It can be parasitic on man, other mammals, birds, and arthropods. (12 Dec 1998)