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Smooth muscle in seminal vesicle, light micrograph
Light micrograph of smooth muscle cells of a seminal vesicle. The seminal vesicles are organs adjacent to the human prostate and they secrete part of the fluid that makes up semen, the fluid which carries sperm. The wall of the seminal vesicles is made up of smooth muscle cells, which are the many elongated fibre-like cells seen in this image. The smooth muscle cells are arranged in bundles that are haphazardly arranged and crisscross with each other. Haematoxylin and eosin stained tissue section. Magnification: x100 when printed at 10cm wide., by ZIAD M. EL-ZAATARI/SCIENCE PHOTO LIBRARY
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