rhodopsin

rho·dop·sin

 (rō-dŏp′sĭn)

n.

Any of a class of reddish, light-sensitive pigments found in the retinal rods of the eyes of terrestrial and marine vertebrates, consisting of opsin and retinal. Also called visual purple.

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[rhod(o)- + Greek opsis, sight; see -opsis + -in.]

rhodopsin

(rəʊˈdɒpsɪn)

n

(Biochemistry) 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

[C20: from rhodo- + -opsis + -in]

rho•dop•sin

(roʊˈdɒp sɪn)

n.

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.

[1885–90; rhod- + Greek óps(is) sight, vision + -in¹]

Thesaurus

Noun

1.

rhodopsin - a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light retinal purple, visual purple retinal rod, rod cell, rod - a visual receptor cell that is sensitive to dim light opsin - retinal protein formed by the action of light on rhodopsin retinal, retinene - either of two yellow to red retinal pigments formed from rhodopsin by the action of light photopigment - a special pigment found in the rods and cones of the retina

Translations

rho·dop·sin

[MIM*180380]

n. rodopsina, pigmento de color rojo púrpura que se encuentra en los bastoncillos de la retina y que facilita la visión en luz tenue.