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n. A protein of the retina, especially the protein constituent of rhodopsin, that makes up one of the visual pigments.

n. Any of a group of light-sensitive proteins in the retina

n. retinal protein formed by the action of light on rhodopsin

"The gene, called opsin, is present in vision among vertebrate animals, and is responsible for a different way of seeing than that of animals like flies."

protein   

rhodopsin    photopsin   

echousin    primary-response    hmeiv    cell-specific    costimulatory    trna    styn    light-sensitive    globin    cadherin