visual pigment

visual pigment definition - medical

visual pigment

noun
Any of the photopigments in the retinal cones and rods that absorb light and photochemically initiate the phenomenon of vision.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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