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Secretory cells in pancreas, SEM

Secretory cells in pancreas, SEM


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Secretory cells in pancreas, SEM

Pancreatic secretory cells. Coloured scanning electron micrograph (SEM) of a freeze-fracture through a healthy pancreas, showing the secretory tissue. This is part of the exocrine pancreas, whose cells (brown) secrete an enzyme-rich fluid into the small intestine, through the pancreatic duct. The enzymes in the fluid are secreted by zymogenic granules (red) in the cells. The enzymes are activated when they enter the small intestine, where they degrade the proteins, lipids, carbohydrates and nucleic acids in ingested food. The nuclei (yellow/green) of the cells are also seen. Magnification unknown

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6450223

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Alimentary Canal Digestion Digestive System Enzymatic Enzyme Enzymes Exocrine Fractured Fractures Freeze Fracture Gland Glandular Granule Granules Histological Histology Nuclei Nucleus Pancreas Pancreases Secretion Secretory Sections Tissue Tract Zymogen Cells Section Sectioned


EDITORS COMMENTS
This print from Science Photo Library showcases the intricate secretory cells found in a healthy pancreas. Through the use of scanning electron microscopy (SEM) and freeze-fracture techniques, this image provides a colorful glimpse into the exocrine function of this vital organ. The brown-hued cells depicted here are responsible for secreting an enzyme-rich fluid into the small intestine via the pancreatic duct. These enzymes, stored within zymogenic granules highlighted in red, play a crucial role in breaking down proteins, lipids, carbohydrates, and nucleic acids present in ingested food. Once activated upon entering the small intestine, these enzymes initiate digestion processes essential for nutrient absorption. In addition to showcasing these enzymatic activities, this image also offers a closer look at the nuclei of these secretory cells. The yellow-green hues provide insight into their structure and organization within the tissue. Overall, this visually stunning photograph not only highlights the beauty of cellular anatomy but also serves as a reminder of how intricately our bodies are designed to carry out essential functions like digestion. It is through such scientific advancements that we gain deeper insights into our own physiology and appreciate its complexity on both microscopic and macroscopic levels.

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