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Home > All Images > 1992 > June > 29 Jun 1992

Images Dated 29th June 1992

Choose from 8 pictures in our Images Dated 29th June 1992 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Blood vessels in eye Featured 29 Jun 1992 Print

Blood vessels in eye

False-colour scanning electron micrograph (SEM) of blood vessels in the choroid of the eye. A branch- ing network of arteries and veins can be seen in this area under the central fovea. The choroid is a tissue layer beneath the retina which supplies blood, thus food and oxygen, to light sensitive cells of the eye. Many cone cells occur on the retina at the central fovea area, specialized for acute day vision, and hence an area that uses much blood. The choroid is also darkened (blue) with pigment cells; pigment absorbs light rays passing through the retina and prevents light reflection. Magnification: x46 at 6x7cm size. Magnification: x70 at 4x5 inch size

© PROF. P. MOTTA/DEPT. OF ANATOMY/UNIVERSITY LA SAPIENZA , ROME/SCIENCE PHOTO LIBRARY