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Retina of the eye, light micrograph

Retina of the eye, light micrograph

C023/8164

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Credit

NATIONAL INSTITUTES OF HEALTH / SCIENCE PHOTO LIBRARY NATIONAL INSTITUTES OF HEALTH / SCIENCE PHOTO LIBRARY

Caption

Retina of the eye. Fluorescence light micrograph of a section through the retina of an eye, showing cone and rod cells. Cone cells and the more numerous rod cells are specialised light-sensitive cells (photoreceptors) that occur on the surface of the retina. They are responsible for detecting visible images, which are transmitted as nerve impulses to the optic nerve and the brain. There are about 130 million rod cells in the human retina, which detect light intensity and so are important for day and night vision. The less numerous cone-like cone cells (about 6.5 million in the human retina) respond specifically to colour. Magnification unknown.

Release details

Model release not required. Property release not required.

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