Optic Nerve

The 2nd cranial nerve which 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 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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Tree Number(s): A08.800.800.120.680

MeSH Unique ID: D009900

Entry Terms:

• Nerve, Optic
• Nerves, Optic
• Optic Nerves
• Cranial Nerve II
• Nervus Opticus
• Second Cranial Nerve
• Cranial Nerve, Second
• Cranial Nerves, Second
• Nerve, Second Cranial
• Nerves, Second Cranial
• Second Cranial Nerves

All MeSH Categories
Anatomy Category
Nervous System
Peripheral Nervous System
Peripheral Nerves
Cranial Nerves
Optic Nerve
Optic Chiasm
Optic Disk