STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Cells from a urine infection. Coloured scanning electron micrograph (SEM) of crenated red blood cells, white blood cells and epithelial cells present in a urine sample taken from someone with a urinary tract infection (UTI). Magnification: x1650 when printed to centimetres wide.
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