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rigid spirally curved elongate bacteria

rigid spirally curved elongate bacteria

Unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal.

A family of Schizomycetes, which includes the curved, more or less spiral, cells; the genera are Spirosoma, Microspira, Spirillum, and Spirochaeta.