optic nerve

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Related to Optic nerves: Cranial nerves, Olfactory nerves

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
(Physiology) the second cranial nerve, which provides a sensory pathway from the retina to the brain

op′tic nerve′


n.
either of a pair of cranial nerves consisting of sensory fibers that conduct impulses from the retina to the brain.
[1605–15]

optic nerve

The nerve that carries sensory information on vision from the retina of the eye to the brain. The optic nerve is a cranial nerve.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.optic nerve - the cranial nerve that serves the retinaoptic 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
References in classic literature ?
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.
And it seemed to me that his eyes were strange, not only the expression, but the physical seeming, as though the optic nerves and supporting muscles had suffered strain and slightly twisted the eyeballs.
There's no tint of pain, real pain, in the sensations of the optic nerve.
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.
Optic nerves with recent ischemic injury are uncommon specimens in pathology laboratories, usually encountered at autopsy or found in eyes or orbits removed surgically for other reasons.
112 Type I optic nerves were found constituting 55.
The relationship between the sphenoid and the posterior ethmoid sinuses and the optic nerves in Turkish patients.
ONH, an underdevelopment of optic nerves that occurs during fetal development, may appear either as an isolated abnormality or as part of a group of disorders characterized by brain anomalies, developmental delay, and endocrine abnormalities.
Both optic nerves showed autofluorescence, giving strong evidence of ODD.
After 6 months of space flight, all 7 astronauts had eye findings, including swollen optic nerves, distortion of the shape of the eyeball, and retinal changes.
The condition means Amelia's muscle tone is low and as her deep reflexes are poor, which will stop her walking on her own as well as preventing development of her optic nerves.