- a photosensitive violet pigment that occurs in the cones of the retina and is transformed by light into retinal and an opsin protein.
Origin of iodopsin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a violet light-sensitive pigment in the cones of the retina of the eye that is responsible for colour visionAlso called: visual violet See also rhodopsin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A violet, light-sensitive visual pigment found in the cones of the retina.visual violet
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.