iodopsin


Also found in: Thesaurus, Medical, Encyclopedia.
Related to iodopsin: photopsin

i·o·dop·sin

 (ī′ə-dŏp′sĭn)
n.
Any of a class of light-sensitive pigments found in the retinal cones of the vertebrate eye.

iodopsin

(ˌaɪəˈdɒpsɪn)
n
(Biochemistry) 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

i•o•dop•sin

(ˌaɪ əˈdɒp sɪn)

n.
a photosensitive violet pigment in the cones of the retina.
[1935–40; < Greek īṓd(ēs) violet-colored (derivative of íon violet) + (rhod)opsin]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.iodopsin - a violet photopigment in the retinal cones of the eyes of most vertebrates; plays a role in daylight vision
cone cell, retinal cone, cone - a visual receptor cell in the retina that is sensitive to bright light and to color
opsin - retinal protein formed by the action of light on rhodopsin
photopigment - a special pigment found in the rods and cones of the retina