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Featured 3 Sep 1998 Print
Images Dated 3rd September 1998
Available as Framed Photos, Photos, Wall Art and Gift Items
Choose from 15 pictures in our Images Dated 3rd September 1998 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.
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Coloured SEM of iris epithelial cells of the eye
Iris epithelium. Coloured scanning electron micrograph (SEM) of epithelial cells (green) lining the underside of the human iris. The upper layer of cells has been sectioned, revealing the tiny cytoplasmic melanin granules (red) which provide the iris with its pigmentation (colour). The iris is the coloured part of the eye which contracts and dilates to control the amount of light passing into the eye. Magnification unknown
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY