retinene(redirected from retinaldehyde)
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(Biochemistry) the aldehyde form of the polyene retinol (vitamin A) that associates with the protein opsin to form the visual purple pigment rhodopsin
[C20: from retina + -ene]
ret•i•nal1(ˈrɛt n əl)
of or pertaining to the retina of the eye.
ret•i•nal2(ˈrɛt nˌæl, -ˌɔl)
an orange visual pigment, C20H28O, the active component of rhodopsin and iodopsin, that is liberated upon the absorption of light in the vision cycle.
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|Noun||1.||retinene - either of two yellow to red retinal pigments formed from rhodopsin by the action of light|
pigment - dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)