Streptobacillus

Streptobacillus /Strep·to·bac·il·lus/ (strep?to-bah-sil´lus) a genus of gram-negative bacteria of uncertain affiliation; organisms are highly pleomorphic. S. monilifor´mis is a cause of rat-bite fever.

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streptobacillus /strep·to·bac·il·lus/ (strep?to-bah-sil´us) pl. streptobacil´li   an organism of the genus Streptobacillus.

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Strep·to·ba·cil·lus (strpt-b-sls)

n.

A genus of gram-negative, rod-shaped, often pathogenic bacteria that typically occurs in chains, including a species that causes a type of rat-bite fever.

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Streptobacillus

a genus of gram-negative bacteria which sometimes forms filaments. The only species is S. moniliformis, which is found in the nasopharynx of rats. It is the cause of Haverhill fever, a form of rat-bite fever, in humans and possibly dogs and cats. It may cause acute septicemia or chronic disease characterized by arthritis in mice. Previously called Bacillus actinoides and Streptobacillus actinoides.

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streptobacillus

pl. streptobacilli

1. a group of rod-shaped bacteria that remain loosely attached end-to-end in long chains as a result of failure of daughter cells to separate after cell division.

2. an organism of the genus Streptobacillus.