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Pancreas 3
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Pancreas 3

March 22, 2013
Light microscope image of a 0.5 micron section cut through the acinar portion of mammalian pancreatic tissue. Note the dividing acinar cell on the right side of the image. The acinar cells are typical 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 are several capillaries located between and below the pancreatic acinar cells. ZEISS Standard RA LM Credit: Louisa Howard