MANFRED KAGE / SCIENCE PHOTO LIBRARY MANFRED KAGE / SCIENCE PHOTO LIBRARY
Intestinal villi. Light micrograph of a section through a villus (finger-like projection, vertical, centre) in the small intestine. Villi are projections that increase the surface area for the absorption of food. They are covered in microvilli (smaller, finger-like) that further increase this surface area.
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