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Retinal   /rˈɛtənəl/   Listen
Retinal

noun
1.
Either of two yellow to red retinal pigments formed from rhodopsin by the action of light.  Synonym: retinene.



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"Retinal" Quotes from Famous Books



... the disk of Jupiter was observed, whenever the heated air of the funnel came between us and the planet. On passing away from the heated air, the flat dim disk would immediately shrink to a luminous point. The effect was one of visual persistence. The retinal image of the planet was set quivering in all azimuths by the streams of heated air, describing in quick succession minute lines of light, which summed themselves to a disk of ...
— Fragments of science, V. 1-2 • John Tyndall

... intelligent patient to work on—in fact, he found me so appreciative that he exhibited especially some profoundly interesting experiments. Amongst other things, he threw a gigantic representation of my retinal system of blood vessels on to a white screen merely by turning a strong light sideways into my eye. And the explanation of it was quite simple. The retinal vessels stand out slightly in relief, and thus a perfect shadow ...
— Cleo The Magnificent - The Muse of the Real • Louis Zangwill



Words linked to "Retinal" :   visual purple, retina, rhodopsin, pigment



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