noun
the cranial nerve that serves the retina
• Syn: ↑nervus opticus, ↑second cranial nerve, ↑optic tract
• Hypernyms: ↑cranial nerve
• Part Holonyms: ↑visual system, ↑diencephalon, ↑interbrain, ↑betweenbrain, ↑thalmencephalon
Useful english dictionary. 2012.