Rods And Cones Sem #5 Photograph by Ralph C. Eagle, Jr.

Rods And Cones Sem #5

by Ralph C. Eagle, Jr.

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Title

Rods And Cones Sem #5

Artist

Ralph C. Eagle, Jr.

Medium

Photograph - Photograph

Description

Color-enhanced Scanning Electron Micrograph (SEM) showing the rods and cones which act as photoreceptors in the human retina. Rods (blue) are long nerve cells which respond to dim light, allowing the detection of images. Cones (red) are shorter cells which detect color. Together, rods and cones pass visual signals through the optic nerve to the brain. Magnification unknown.

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April 4th, 2014

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