Small intestine lining. Light micrograph of a section through the finger-like projections (villi) of the duodenum, the uppermost part of the small int
Small intestine lining. Light micrograph of a section through the finger-like projections (villi) of the duodenum, the uppermost part of the small intestine. These increase the surface area for the absorption of food. Within the columnar epithelium of the outer surface (yellow) are goblet cells (orange), which secrete mucus to lubricate food and prevent self-digestion. The lamina propria (central core, brown) contains the blood supply that transports the products of digestion. Magnification: x350 when printed at 10 centimetres wide.
Size: 3700px × 4951px
Photo credit: © STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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