STEPHANIE SCHULLER / ALISTAIR WALSHAM / SCIENCE PHOTO LIBRARY STEPHANIE SCHULLER / ALISTAIR WALSHAM / SCIENCE PHOTO LIBRARY
Probiotic bacteria on small intestine tissue. Coloured scanning electron micrograph (SEM) of the probiotic bacteria Lactobacillus reuteri in the mucus layer of a human small intestine. This sample, from a human duodenal biopsy, shows an infection by strain MM4-1a of this bacterium.
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