MICROSCAPE / SCIENCE PHOTO LIBRARY MICROSCAPE / SCIENCE PHOTO LIBRARY
Light microscopy of the pancreas. Most (>95%) of the pancreas is comprised of branching glands that synthesize digestive enzymes stored in the cells as compacted clusters of granules (pink). Near the cell nuclei in the glands the blue-violet regions represent the rough endoplasmic reticulum where the enzymes are assembled. Upon release these enzymes enter a duct system that empties into the duodenum. Magnification x420 when printed at 10 cm.
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