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Home > All Images > 1997 > May > 19 May 1997

Images Dated 19th May 1997

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 7 pictures in our Images Dated 19th May 1997 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.


Coloured SEM of surface cells of the gall bladder Featured 19 May 1997 Print

Coloured SEM of surface cells of the gall bladder

Gall bladder. Coloured scanning electron micro- graph (SEM) of cells on the wall of the gall bladder. This lining mucosa is made up of columnar epithelial cells, each appearing rounded on the surface. Each cell is covered with small micro- villi (hair-like structures). Microvilli increase the surface area of these cells for absorbing water from bile. Beneath the folded mucosa wall lie sheets of smooth muscle. The gall bladder is a muscular sac attached to the liver. It collects & concentrates liver bile. Bile is then released from the gall bladder down the bile duct and into the duodenum of the intestine, where it aids in the digestion of food by emulsifying fats

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY