optic tract


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Related to optic tract: optic radiation

optic tract

[′äp·tik ‚trakt]
(neuroscience)
The band of optic nerve fibers running from the optic chiasma to the lateral geniculate body and midbrain.
References in periodicals archive ?
Lateral geniculate body: Lateral geniculate body is an oval structure located at termination of optic tracts.
The neural integrator is under adaptive control via the cerebellar flocculus/paraflocculus, which is itself driven by retinal slip signals emanating from the nucleus of the optic tract via the inferior olive.
Swinging flashlight test: This is one of the most important objective tests for the detection and quantification of abnormalities of the retina, optic nerve, optic chiasm or optic tract.
Generally, central visual field programmes are considered adequate to reveal the majority of visual field defects that one is likely to encounter arising from intracranial lesions, including those at the optic chiasm or optic tract.
Posterior visual pathways include optic tracts, lateral geniculate body, optic radiation and occipital cortex.
Tumours may be unilateral or bilateral, affecting the optic nerves, optic tracts and/or chiasm.