visual purple
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visual purple
n.
See rhodopsin.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
visual purple
n
(Biochemistry) another name for rhodopsin
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
rho•dop•sin
(roʊˈdɒp sɪn)n.
a bright red photosensitive pigment found in the rod-shaped cells of the retina of certain fishes and most higher vertebrates: it is broken down by the action of dim light into retinal and opsin.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Noun 1. visual purple - a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
opsin - retinal protein formed by the action of light on rhodopsin
retinal, retinene - either of two yellow to red retinal pigments formed from rhodopsin by the action of light
photopigment - a special pigment found in the rods and cones of the retina
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