51Թ

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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

/ ˌɪəˈɒɪ /

noun

  1. Also called: visual violet.a violet light-sensitive pigment in the cones of the retina of the eye that is responsible for colour vision 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
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51Թ History and Origins

Origin of iodopsin1

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

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