Small intestine

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Small intestine

Small intestine. Fluorescence confocal light micrograph of a horizontal section through the mucosa of the human small intestine, showing crypts of Lieberkuhn (pink and blue). The small intestine runs from the stomach to the large intestine. It is where digestion is completed and nutrients are absorbed into the blood. The crypts secrete enzymes into the interior (lumen) of the intestine that help to digest the food. Cell nuclei have been stained with propidium iodide (red) and epithelial cells have been stained with a cytokeratin-specific antibody (blue). Shiga toxin (Stx, green), which was added after the sections were cut, is stained with an Stx-specific antibody. In this section Stx has bound to small blood vessels

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

Media ID 6450067

© STEPHANIE SCHULLER/SCIENCE PHOTO LIBRARY

Confocal Light Micrograph Confocal Light Microscope Digestion Digestive System Fluorescence Fluorescence Light Micrograph Fluorescent Histological Histology Immunofluorescence Immunofluorescent Small Intestine Stain Stained Villi Villus Cells Light Micrograph Light Microscope Section Sectioned

EDITORS COMMENTS
This print showcases a fluorescence confocal light micrograph of a horizontal section through the mucosa of the human small intestine. The intricate network of crypts of Lieberkuhn, depicted in mesmerizing shades of pink and blue, takes center stage. As the vital link between the stomach and large intestine, the small intestine plays a crucial role in completing digestion and absorbing nutrients into our bloodstream. The crypts featured here are responsible for secreting enzymes that aid in breaking down food within the intestinal lumen. To highlight different components, cell nuclei have been stained with propidium iodide (red) while epithelial cells have been selectively marked using a cytokeratin-specific antibody (blue). Additionally, Shiga toxin (Stx), represented by vibrant green hues, has bound to small blood vessels after being introduced post-sectioning. This extraordinary image offers an intimate glimpse into our body's remarkable biological processes. It beautifully captures both the complexity and elegance found within our digestive system. Through its meticulous detailing and use of fluorescent techniques, this photograph not only serves as an invaluable resource for scientific study but also stands as a testament to the incredible beauty hidden within our own anatomy.

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