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retina

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
ret·i·na  (rtn-)
n. pl. ret·i·nas or ret·i·nae (rtn-)
A delicate, multilayered, light-sensitive membrane lining the inner eyeball and connected by the optic nerve to the brain.

[Middle English, from Medieval Latin rtina, from Latin rte, net.]

reti·nal adj.

retina
Noun
pl -nas or -nae the light-sensitive inner lining of the back of the eyeball [Medieval Latin]
retinal adj

retina  (rtn-)
Plural retinas or retinae (rtn-)
The light-sensitive membrane that lines the inside of the back of the eyeball and connects to the brain by the optic nerve. The retina of vertebrate animals contains rods and cones, specialized cells that absorb light.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.retinaretina - the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
neuroepithelium - epithelium associated with special sense organs and containing sensory nerve endings
eye, oculus, optic - the organ of sight
tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
fovea, fovea centralis - area consisting of a small depression in the retina containing cones and where vision is most acute
parafovea - area of the retina immediately surrounding the fovea
macula lutea, macular area, yellow spot, macula - a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision
visual cell - one of the cells of the retina that is sensitive to light
optic disc, optic disk, blind spot - the point where the optic nerve enters the retina; not sensitive to light
cone cell, retinal cone, cone - a visual receptor cell in the retina that is sensitive to bright light and to color
retinal rod, rod cell, rod - a visual receptor cell that is sensitive to dim light
Translations
Spanish retina [ˈrɛtɪnə] nretina
French retina [ˈrɛtɪnə] nrétine f
German retina [ˈrɛtɪnə] nNetzhaut f
Italian retina [ˈrɛtɪnə] nretina

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The flare was momentary, followed by black darkness, in which, however, the apparition still showed white and motionless; then by insensible degrees it faded and vanished, like a bright image on the retina after the closing of the eyes.
"And isn't strange, said the young lady, passing with startling suddenness from Sentiment to Science, "that the mere impact of certain coloured rays upon the Retina should give us such exquisite pleasure?
Mellowed in the drowsy sunlight of a summer's afternoon, Wargrave, nestling where the river bends, makes a sweet old picture as you pass it, and one that lingers long upon the retina of memory.
 
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