rhodopsin

American  

[roh-dop-sin] / roʊˈdɒp sɪn /

noun

Biochemistry.

1. 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.

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rhodopsin British  

/ rəʊˈdɒpsɪn /

noun

1. Also called: visual purple. 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 See also iodopsin

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Etymology

Origin of rhodopsin

1885–90; rhod- + Greek óps ( is ) sight, vision + -in ²

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Example Sentences

See Examples For:

rhodopsin

First author Chai says the next steps are to identify how other rhodopsin mutations, T94I, A292E and A295V, lead to this condition.

From Science Daily ● May 16, 2024

Besides the unusual electrical noise, rhodopsin is known to produce another type of electrical activity called spontaneous thermal isomerization, in which the thermal energy inside the rhodopsin molecule triggers rhodopsin to activate at random.

From Science Daily ● May 16, 2024

Every single one of the flies with mutant rhodopsin usually develops retinitis pigmentosa, but a full 65% of those with overactive ZIP7 formed eyes that respond normally to light.

From Science Daily ● Apr. 30, 2024

They homed in on a protein known as rhodopsin, which doesn’t require a large molecular entourage.

From Science Magazine ● Apr. 18, 2023

In the outer part of the rods the visual purple or rhodopsin is found.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" by Various

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