Images Dated 9th October 2000
Choose from 6 pictures in our Images Dated 9th October 2000 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.
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Here is a job that could be speeded up - that of painting white lines
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They met on the cricket green outside the Cricketers Inn Meopham, Kent - but horses
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Featured 9 Oct 2000 Print
Duodenum secretory cells
Duodenum secretory cells. Coloured transmission electron micrograph (TEM) of a section through the human duodenum, showing secretory cells of the surface epithelium (lining). The duodenum is the first part of the small intestine. A row of columnar-shaped cells are seen, each with a rounded nucleus (brown) and mitochondria (purple) in the cytoplasm. Microvilli appear as tiny projections from the surface of the cells (at top). Secretory cells secrete digestive enzymes, and an alkaline fluid into the pancreas which neutralises stomach acids. Microvilli serve to maximise the duodenum's surface area and hence its capacity to secrete. Magnification: unknown
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY