SCIMAT / SCIENCE PHOTO LIBRARY SCIMAT / SCIENCE PHOTO LIBRARY
Colour enhanced scanning electron microscope (SEM) of a toddler's faeces showing bifidobacteria. Feces from a one year old baby weaned off of breast milk for one month. The child was on a new diet including meat and vegetables. The faeces contained a large proportion of bifidobacteria (e.g., the yellow Y-shaped bacterium) and some very large bacteria. Image width: 10.7 micrometers. Magnification: 9345x if printed 10 cm wide.
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