Visual cycle
id:
visual-cycle-298-8598665
title:
Visual cycle
text:
The visual cycle is a process in the retina that replenishes the molecule retinal for its use in vision. Retinal is the chromophore of most visual opsins, meaning it captures the photons to begin the phototransduction cascade. When the photon is absorbed, the 11-cis retinal photoisomerizes into all-trans retinal as it is ejected from the opsin protein. Each molecule of retinal must travel from the photoreceptor cell to the RPE and back in order to be refreshed and combined with another opsin. Th
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Visual_cycle
date created:
date modified:
2023-11-08T00:19:25Z
main entity:
{"identifier":"Q4925719","url":"https://www.wikidata.org/entity/Q4925719"}
image:
fields total:
13
integrity:
13