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50.6 MB (1.2 MB compressed)
5000 x 3536 pixels
42.4 x 30.0 cm ⏐ 16.7 x 11.8 in (300dpi)
FRANCIS LEROY, BIOCOSMOS / SCIENCE PHOTO LIBRARY FRANCIS LEROY, BIOCOSMOS / SCIENCE PHOTO LIBRARY
Cephalopd eye. Computer artwork showing a cross-section through the eye of a cephalopod. The cephalopod eye is very similar to the vertebrate eye, although the two arose independently. Light enters the front of the eye (right) and is focused onto photoreceptor cells in the retina (yellow). These cells send impulses to the brain via the optic nerve (blue). The amount of light entering the eye is controlled by the pupil, which in cephalopods is rectangular.
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