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Home > All Images > 2002 > March > 12 Mar 2002

Images Dated 12th March 2002

Choose from 17 pictures in our Images Dated 12th March 2002 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Small intestine villus, SEM Featured 12 Mar 2002 Image

Small intestine villus, SEM

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