Plural of fusobacterium; a group of gram-negative anaerobic bacteria that are part of normal human oral and gut flora but can cause infections.
From Latin fusus (spindle) plus bacteria. Named for their spindle or rod shape observed under microscopes.
Fusobacteria are everywhere in your mouth right now, causing no problems—but if they get into your bloodstream, they can cause serious infections. They're a hidden army of microbes living in peace until something goes wrong!
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