Intestinal villus cell loss, SEM
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Intestinal villus cell loss, SEM
Intestinal villus cell loss, coloured scanning electron micrograph (SEM). Close-up of the tip of a villus in the small intestine that has shed a cell from its tip as part of the normal cell replacement cycle, leaving a void and cell debris (yellow) that will swiftly be sealed to prevent infection. The villi are the finger-like projections that line the surface of the small intestine and absorb nutrients from digested food. The surface of each villus is covered by hundreds of cells called enterocytes, which migrate from the base (where they are formed) to the tip, being shed at the rate of around one a minute. Magnification: x1200 when printed 10 centimetres wide
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Media ID 6335984
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Alimentary Canal Apoptosis Cell Biology Cell Death Colored Cycle Digestive System Enterocyte Enterocytes Epithelial Epithelium False Colour Gastrointestinal Tract Histological Histology Intestinal Intestinal Villi Intestine Intestines Loss Lost Lumen Physiological Physiology Shed Shedding Small Intestine Tissue Villus Cells False Coloured Villous Void
EDITORS COMMENTS
This print showcases the intricate world of our intestinal villi, providing a glimpse into the fascinating process of cell replacement within our bodies. In this close-up view, we witness the tip of a villus in the small intestine shedding a single cell as part of its normal cycle. The void left behind by this cellular departure is accompanied by yellow debris, which will swiftly be sealed to safeguard against potential infections. The villi themselves are finger-like projections that line the surface of our small intestine and play a crucial role in absorbing nutrients from digested food. Each individual villus is covered with enterocytes, specialized cells that migrate from their formation at the base towards the tip. Astonishingly, these enterocytes shed at an astonishing rate of approximately one per minute. At a magnification level of x1200 when printed 10 centimeters wide, this image offers us an extraordinary level of detail and insight into our own biology. It highlights both the delicate balance between cell loss and regeneration within our intestines and emphasizes how vital this process is for maintaining healthy tissue function. Through this false-colored scanning electron micrograph (SEM), we gain appreciation for the complex beauty hidden within our own bodies—a reminder that even on such microscopic scales, there exists incredible complexity and harmony essential to sustaining life itself.
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