False-colour SEM of duodenal villi

False-colour SEM of duodenal villi

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This image is part of the feature Landscapes Of The Human Body

Credit: PROF. P. MOTTA/DEPT. OF ANATOMY/UNIVERSITY "LA SAPIENZA", ROME/SCIENCE PHOTO LIBRARY

Caption: Duodenal villi: false-colour scanning electron micrograph (SEM) of the duodenum, showing numerous tongue-shaped projections, or villi, protruding from the gut wall. The duodenum is the first part of the small intestine, extending after the stomach to the jejunum. As a major secretory region of the gut, serving to further break down food that has entered the stomach, the duodenum also receives secretory products from other organs. As in the other parts of the small intestine, digestion & absorption are maximised by the huge surface area conferred by the presence of villi. Magnification: x130 at 6x7cm size.

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Keywords: anatomy, digestion, digestive system, duodenum, epithelium, false-coloured, gut, human body, images, intestinal villi, magnified image, microscopic photos, small intestine, subjects, villi, villus

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