iodopsin

[ ahy-uh-dop-sin ]
/ ˌaɪ əˈdɒp sɪn /

noun Biochemistry.

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

Origin of iodopsin

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

Words nearby iodopsin

iodohippurate sodium, iodomethamate sodium, iodometry, iodophilia, iodophor, iodopsin, iodopyracet, iodotherapy, iodothyronine, iodous, iodoxamate meglumine

British Dictionary definitions for iodopsin

iodopsin
/ (ˌaɪəˈdɒpsɪn) /

noun

a violet light-sensitive pigment in the cones of the retina of the eye that is responsible for colour vision Also called: visual violet See also rhodopsin

Medical definitions for iodopsin

iodopsin
[ ī′ə-dŏp′sĭn ]

n.

A violet, light-sensitive visual pigment found in the cones of the retina. visual violet