BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY
Light micrograph showing transitional epithelium, a type of tissue consisting of multiple layers of epithelial cells which can contract and expand. These cells are found in the urinary bladder, the ureters, and in the superior urethra and gland ducts of the prostate. Magnification: 64X at 35mm.
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