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Definition of Spirillum
1. Noun. Spirally twisted elongate rodlike bacteria usually living in stagnant water.
Generic synonyms: Eubacteria, Eubacterium, True Bacteria
Group relationships: Genus Spirillum
Specialized synonyms: Ratbite Fever Bacterium, Spirillum Minus
Group relationships: Genus Spirillum
Specialized synonyms: Ratbite Fever Bacterium, Spirillum Minus
2. Noun. Any flagellated aerobic bacteria having a spirally twisted rodlike form.
Definition of Spirillum
1. n. A genus of common motile microörganisms (Spirobacteria) having the form of spiral- shaped filaments. One species is said to be the cause of relapsing fever.
Definition of Spirillum
1. a spirally twisted, aerobic bacterium [n -LA]
Medical Definition of Spirillum
1. A fairly rigid helically twisted bacterial cell often, but not necessarily, a member of the genus Spirillum. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)