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optic nerve

   Also found in: Medical, Legal, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
optic nerve
n.
Either of the second pair of cranial nerves that arise from the retina and carry visual information to the thalamus and other parts of the brain.

optic nerve
n
(Life Sciences & Allied Applications / Physiology) the second cranial nerve, which provides a sensory pathway from the retina to the brain

optic nerve
Either of the second pair of cranial nerves, which carry sensory information relating to vision from the retina of the eye to the brain. Disease or injury of the optic nerve can result in partial or total blindness.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.optic nerveoptic nerve - the cranial nerve that serves the retina
visual system - the sensory system for vision
cranial nerve - any of the 12 paired nerves that originate in the brain stem
betweenbrain, diencephalon, interbrain, thalmencephalon - the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon
Translations
optic nerve
nSehnerv m


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? Mentioned in ? References in classic literature
 
In the Articulata we can commence a series with an optic nerve merely coated with pigment, and without any other mechanism; and from this low stage, numerous gradations of structure, branching off in two fundamentally different lines, can be shown to exist, until we reach a moderately high stage of perfection.
Just as a photographic plate receives a different impression of a cluster of stars when a telescope is part of the intervening medium, so a brain receives a different impression when an eye and an optic nerve are part of the intervening medium.
The light from it had beat upon his sealed lids, and the eyes and the optic nerves had pulsated to little, sparklike flashes, warm-coloured and strangely pleasing.
 
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