SECCHI-LECAQUE / ROUSSEL-UCLAF / CNRI / SCIENCE PHOTO LIBRARY SECCHI-LECAQUE / ROUSSEL-UCLAF / CNRI / SCIENCE PHOTO LIBRARY
Small intestine lining. Transmission electron micrograph (TEM) of a section through villi (finger-like projections) in the healthy mucosal lining of the duodenum, the first section of the small intestine. Villi are projections that increase the surface area for the absorption of food. Magnification: x13,000 when printed 10 centimetres wide.
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