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The small intestine is where most of our nutrients from the food we eat are absorbed into the bloodstream. The walls of the intestine contain small finger-like projections called villi which increase the organ's surface area, enhancing nutrient absorption. It consists of the duodenum, which connects to the stomach, the jejenum and the ileum, which connects with the large intestine. Related to image 3389.
Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR)
Mark Ellisman and Tom Deerinck, National Center for Microscopy and Imaging Research
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