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Small intestine villus, SEM

Small intestine villus, SEM

P520/0137

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Credit

STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY

Caption

Small intestine villus. Coloured scanning electron micrograph (SEM) of a freeze fracture section through a villus from the mucosal lining of the small intestine. Villi are finger-like projections that increase the surface area of a structure. Microvilli, just visible across upper centre, further increase the surface area available for food absorption. The outer surface of a villus is mostly columnar epithelium (red). It contains numerous goblet cells (dark pink), which secrete mucus to lubricate food & prevent self-digestion. Within the goblet cells individual mucin granules are seen. Magnification: x2000 at 6x7cm size.

Release details

Model release not required. Property release not required.

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