BSIP / SCIENCE PHOTO LIBRARY BSIP / SCIENCE PHOTO LIBRARY
Bifidobacterium sp. Coloured scanning electron micrograph (SEM) of a gram-positive, Y-shaped Bifidobacterium sp. bacterium. Bifidobacterium are non-motile and inhabit the human gut, mouth and vagina. They are rarely pathogenic. Magnification: x2800 at 35mm size.
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