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March 22, 2013
Light microscope image of a 0.5 micron section cut through the acinar portion of mammalian pancreatic tissue. The acinar cells are typica protein-secreting cells. The inactive precursors of digestive enzymes are stored in the zymogen granules. These are easy to see as numerous, dark, round structures in each acinar cell. There is a capillary located at the bottom of this image. ZEISS Standard RA LM Credit: Louisa Howard

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