| NOUN | body | optic tract, optic nerve, nervus opticus, second cranial nerve | the cranial nerve that serves the retina |
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| Meaning | The cranial nerve that serves the retina. | |
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| Synonyms | optic nerve, nervus opticus, second cranial nerve | |
| Part of | diencephalon, interbrain, betweenbrain, thalmencephalon | The posterior division of the forebrain |
| visual system | The sensory system for vision | |
| Broader | cranial nerve | Any of the 12 paired nerves that originate in the brain stem |
| Spanish | nervio óptico, nervus opticus | |
| Catalan | nervus opticus | |
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