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1. Having flagella uniformly distributed over the body surface, as certain bacteria.
2. Having a band of cilia around the mouth, as certain protozoans.

pe·rit′ri·chous·ly adv.


(pəˈrɪ trɪ kəs)

1. (of bacteria) having a uniform distribution of flagella over the body surface.
2. (of certain protozoans) having cilia arranged spirally around the mouth.
[1875–80; peri- + -trichous < Greek -trichos -haired, derivative of tríx hair]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.peritrichous - covered all over with uniformly distributed flagella
bacteria, bacterium - (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants
covered - overlaid or spread or topped with or enclosed within something; sometimes used as a combining form; "women with covered faces"; "covered wagons"; "a covered balcony"