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Related to spirilla: spirulina


n. pl. spi·ril·la (-rĭl′ə)
1. Any of several aerobic bacteria of the genus Spirillum, having an elongated spiral form and bearing tufts of flagellae.
2. Any of various other spiral-shaped bacteria, especially one formerly classified in this genus.

[New Latin Spīrillum, genus name, diminutive of Latin spīra, coil; see spire2.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.spirilla - any flagellated aerobic bacteria having a spirally twisted rodlike form
eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella
References in periodicals archive ?
Most of the bacteria are characterized by three main shapes: rod (rod shaped bacteria are called bacilli), sphere (sphere shaped bacteria are called cocci) and spiral (spiral shaped bacteria are called spirilla or spiral).