English Dictionary |
OPTIC TRACT
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Dictionary entry overview: What does optic tract mean?
• OPTIC TRACT (noun)
The noun OPTIC TRACT has 1 sense:
1. the cranial nerve that serves the retina
Familiarity information: OPTIC TRACT used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
The cranial nerve that serves the retina
Classified under:
Nouns denoting body parts
Synonyms:
nervus opticus; optic nerve; optic tract; second cranial nerve
Hypernyms ("optic tract" is a kind of...):
cranial nerve (any of the 12 paired nerves that originate in the brain stem)
Holonyms ("optic tract" is a part of...):
visual system (the sensory system for vision)
betweenbrain; diencephalon; interbrain; thalmencephalon (the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon)
Context examples
This condition indicates a deficiency in the number of nerve fibers which arise in the RETINA and converge to form the OPTIC DISK, OPTIC NERVE, OPTIC CHIASM, and optic tracts.
(Optic Atrophy, NLM, Medical Subject Headings)
A glioma affecting the optic tract and occurring in childhood.
(Childhood Visual Pathway Glioma, NCI Thesaurus)
A rare, slow-growing tumor that usually forms in the optic nerve, optic chiasm, or optic tract.
(Optic pathway glioma, NCI Dictionary)
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.
(Murine Optic Nerve, NLM, Medical Subject Headings)
One of two arteries (anterior and posterior choroidal artery) that supply blood to the choroid plexus, optic tract, hippocampus, globus pallidus, and other various brain regions.
(Choroidal Artery, NCI Thesaurus)
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