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

Example Sentences

See Examples For:

rhodopsin

"We were able to help solve the mechanism of this disease with a mouse model with a very low expression level of G90D rhodopsin."

From Science Daily ● May 16, 2024

G90D is one of four mutations of rhodopsin associated with night blindness.

From Science Daily ● May 16, 2024

Contrasting the observed unusual electrical activity, the spontaneous isomerization of G90D rhodopsin demonstrated a high amplitude but low frequency.

From Science Daily ● May 16, 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