Advertisement

Advertisement

iodopsin

[ ahy-uh-dop-sin ]

noun

Biochemistry.
  1. a photosensitive violet pigment that occurs in the cones of the retina and is transformed by light into retinal and an opsin protein.


iodopsin

/ ˌaɪəˈdɒpsɪn /

noun

  1. a violet light-sensitive pigment in the cones of the retina of the eye that is responsible for colour vision Also calledvisual 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
Discover More

Word History and Origins

Origin of iodopsin1

1935–40; < Greek īṓd ( ēs ) taken as derivative of íon violet ( iodine ) + opsin, on the pattern of rhodopsin

Advertisement

Advertisement

Advertisement

Advertisement


iodophoriodous