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Home > All Images > 1998 > September > 3 Sep 1998

Images Dated 3rd September 1998

Choose from 15 pictures in our Images Dated 3rd September 1998 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Coloured SEM of iris epithelial cells of the eye Featured 3 Sep 1998 Print

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