Definitions for optic nerve
This page provides all possible meanings and translations of the word optic nerve
optic nerve, nervus opticus, second cranial nerve, optic tract(noun)
the cranial nerve that serves the retina
Either of a pair of nerves that carry visual information from the retina to the brain
The optic nerve, also known as cranial nerve 2, transmits visual information from the retina to the brain. Derived from the embryonic retinal ganglion cell, a diverticulum located in the diencephalon, the optic nerve does not regenerate after transection.
U.S. National Library of Medicine
The 2nd cranial nerve. The optic nerve conveys visual information from the retina to the brain. The nerve carries the axons of the retinal ganglion cells which sort at the optic chiasm and continue via the optic tracts to the brain. The largest projection is to the lateral geniculate nuclei; other important targets include the superior colliculi and the suprachiasmatic nuclei. Though known as the second cranial nerve, it is considered part of the central nervous system.
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