Intestinal lining, SEM

Videonummer 11921576
Intestinal lining. Coloured scanning electron micrograph (SEM) looking down on a surface of the small intestine. This is the internal surface that secretes digestive fluids and absorbs nutrients from digested food. It is heavily folded, forming these projections called villi. This folding increases the surface area available for absorption. This is the ileum, the last part of the small intestine.
Lizenzart: Lizenzfrei
Credit: Science Photo Library / Gschmeissner, Steve
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Länge: 22 Sekunden
Seitenverhältnis: 16:9
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