leptothrix

noun
lep·​to·​thrix | \ ˈlep-tə-ˌthriks How to pronounce leptothrix (audio) \

Medical Definition of leptothrix

1 capitalized : a genus of sheathed filamentous bacteria of uncertain taxonomic affiliation that often have the sheath encrusted with oxides of iron or manganese — see leptotrichia
2 plural leptotrichia\ ˌlep-​tə-​ˈtrik-​ē-​ə How to pronounce leptotrichia (audio)\ also leptotriches\ lep-​ˈtä-​trə-​ˌkēz How to pronounce leptotriches (audio)\ : any bacterium of the genus Leptothrix

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