Enteroendocrine cell, TEM
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Enteroendocrine cell, TEM
Enteroendocrine cell. Transmission electron micrograph (TEM) of a section through an enteroendocrine cell within a gland of the stomach. Endocrine cells secrete hormones that act locally or on distant target organs via the bloodstream. They store their secretory products in cytoplasmic granules (light grey, circular) that are discharged into the surrounding tissue or blood vessels. Enteroendocrine cells, also known as argentaffin or enterochromaffin cells, are specialized endocrine cells of the gastrointestinal tract. They produce hormones such as serotonin, somatostatin, motilin, cholecystokinin, gastric inhibitory peptide, neurotensin, vasoactive intestinal peptide, and enteroglucagon. Magnification: x6, 000 when printed 10 centimetres
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9240343
© MICROSCAPE/SCIENCE PHOTO LIBRARY
Black And White Bowel Bowels Cell Biology Cholecystokinin Cytological Cytology Digestive System Endocrine System Gastric Gastrointestinal Tract Gland Glands Glandular Granular Granule Granules Histological Histology Hormonal Hormone Organelle Organelles Secretion Secretory Serotonin Specialised Stomach Transmission Electron Micrograph Transmission Electron Microscope Cells Section Sectioned Specialized
EDITORS COMMENTS
This print showcases the intricate structure of an enteroendocrine cell, captured using a transmission electron microscope (TEM). Nestled within a gland of the stomach, this specialized endocrine cell plays a vital role in our digestive system. Endocrine cells like this one secrete hormones that can have both local and distant effects on target organs through the bloodstream. The secretory products are stored within cytoplasmic granules, which appear as light grey circular structures in the image. These granules are responsible for releasing hormones into surrounding tissues or blood vessels. Known by various names such as argentaffin or enterochromaffin cells, enteroendocrine cells produce an array of essential hormones including serotonin, somatostatin, motilin, cholecystokinin, gastric inhibitory peptide, neurotensin, vasoactive intestinal peptide, and enteroglucagon. Each hormone serves specific functions within our gastrointestinal tract. The magnification used to capture this stunning image is x6,000 when printed at 10 centimeters. It offers us a glimpse into the microscopic world of cellular biology and highlights the complexity present even at such small scales. This print from Science Photo Library beautifully captures not only the structural details but also emphasizes the significance of these specialized cells in maintaining hormonal balance throughout our bodies.
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