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Retinal   Listen
adjective
Retinal  adj.  (Anat.) Of or pertaining to the retina.
Retinal purple (Physiol. Chem.), the visual purple.






Collaborative International Dictionary of English 0.48








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"Retinal" Quotes from Famous Books



... Angel put his face in the rest for the retinal photos. The soft foam rubber adjusted around his face, and he was looking into blackness. He focused his eyes on the dim target circle and waited for his eyes to grow accustomed ...
— Unwise Child • Gordon Randall Garrett

... he gets a really 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 of the system ...
— Cleo The Magnificent - The Muse of the Real • Louis Zangwill

... certain that the images on the retina succeed one another even more rapidly than when the eye is at rest. A supposition which occurs to one at once as a possible explanation is that perchance during eye-movement the retinal stimulations do not ...
— Harvard Psychological Studies, Volume 1 • Various

... away on a sheet of paper and yet be brought together by bending the paper round. The reader may grasp his argument, but I certainly do not. His idea seems to be that Davidson, stooping between the poles of the big electro-magnet, had some extraordinary twist given to his retinal elements through the sudden change in the field of force ...
— The Stolen Bacillus and Other Incidents • H. G. (Herbert George) Wells

... upon the pigment in the iris. Some eyes have pigment on both sides of the iris—on the side that faces the retina as well as on the side that looks out upon the world. Other eyes have pigment on the retinal side only. To this class belong the blues and clear greys; while the eyes with pigment in front of the iris also are brown, hazel, or green in various shades according to the amount of pigment present. In albino animals the pigment is entirely ...
— Mendelism - Third Edition • Reginald Crundall Punnett

... general human significance. It is possible, certainly, as the experiments of contemporary "imagists" prove, to write poetry of a certain type without employing the "loop-line." But this is pure sensorium verse, the report of retinal, auditory or tactile images, and nothing more. "Response to impressions and representation of those impressions in their original isolation are the marks of the new poetry. Response to impressions, correlation of those impressions into a connected body of phenomena, ...
— A Study of Poetry • Bliss Perry



Words linked to "Retinal" :   retina, rhodopsin, visual purple, retinal rod, retinal cone, retinal scanning, retinal detachment, pigment



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