STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Bladder epithelium. Coloured scanning electron micrograph (SEM) of healthy urinary bladder epithelium or mucosa. This lining is formed from epithelial cells (brown) which have tiny plaques (green dots) on their surface. The epithelium is highly folded. Both the plaques and folds enable the urinary bladder to accommodate large changes in surface area which occur as it fills or empties. Magnification unknown.
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