rhodopsin
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.
Origin of rhodopsin
1- Also called visual purple.
Words Nearby rhodopsin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use rhodopsin in a sentence
In the outer part of the rods the visual purple or rhodopsin is found.
British Dictionary definitions for rhodopsin
/ (rəʊˈdɒpsɪn) /
a red pigment in the rods of the retina in vertebrates. It is dissociated by light into retinene, the light energy being converted into nerve signals, and is re-formed in the dark: Also called: visual purple See also iodopsin
Origin of rhodopsin
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Browse