Pancreas
by Steve Gschmeissner/science Photo Library
Title
Pancreas
Artist
Steve Gschmeissner/science Photo Library
Medium
Photograph - Photograph
Description
Pancreas tissue. Comparison between a scanning election micrograph (SEM left) and transmission electron micrograph (TEM right) of part of the exocrine pancreas. Seen here are zymogen granules (yellow) and cell nuclei (purple). In the TEM image the blue endoplasmic reticulum that fills the cytoplasm is visible most clearly. Digestive enzymes are secreted in the zymogen granules, and passed to the small intestine through the pancreatic ducts. Magnification: x5000 when printed 10 centimetres high. For a series of comparisons between SEMs and TEMs see images C047/7006 to C047/7034.
Uploaded
February 25th, 2021
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