CAROL & MIKE WERNER / VISUALS UNLIMITED, INC. / SCIENCE PHOTO LIBRARY CAROL & MIKE WERNER / VISUALS UNLIMITED, INC. / SCIENCE PHOTO LIBRARY
Biomedical illustration of villi in the mucosa of the small intestine. Each villus is covered with a layer of epithelial cells which absorb nutrients from the greenish chyme, a semi-fluid mass of partly digested food.
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