opsin

[ op-sin ]

noun

, Biochemistry.

1. any of several compounds that form the protein component of the light-sensitive retina pigment, rhodopsin.

opsin

/ ˈɒpsɪn /

noun

1. the protein that together with retinene makes up the purple visual pigment rhodopsin

Word History and Origins

Origin of opsin¹

First recorded in 1950–55; probably back formation from rhodopsin

Word History and Origins

Origin of opsin¹

C20: back formation from rhodopsin

Example Sentences

To confirm that, Liu’s team shut off the opsin genes and TRPL in infected caterpillars.

From Science News For Students

Detected mostly in the eyes, two genes for opsins, the light-sensitive proteins that are fundamental for vision, were more active after an infection with the virus, and so was another gene associated with vision called TRPL.

From Science News

Using viruses, scientists can add a gene for opsins, a special family of proteins from algae, into living neurons.

From Singularity Hub