Definition of Optic tract

1. Noun. The cranial nerve that serves the retina.


Medical Definition of Optic tract

1. The continuation of the optic nerve fibres beyond (behind) the latter's hemidecussation in the optic chiasm; each of the two symmetrical optic tracts is composed of fibres originating from the temporal half of the retina of the ipsilateral eye and a nearly equal number of fibres from the nasal half of the contralateral retina; it forms a compact, somewhat flattened fibre band passing caudolaterally alongside the base of the hypothalamus and over the basal surface of the crus cerebri; most of its fibres terminate in the lateral geniculate body; a smaller number of fibres enter the brachium of the superior colliculus, to terminate in the superior colliculus and the pretectal region. Synonym: tractus opticus. (05 Mar 2000)

Lexicographical Neighbors of Optic Tract

optic nerve meningioma
optic nerve sheath decompression
optic nerve sheath fenestration
optic neuritis
optic neuroma
optic papilla
optic part of retina
optic pit
optic placodes
optic radiation
optic recess
optic sign
optic stalk
optic tectum
optic tract (current term)
optic tract (current term)
optic vesicle
optigraph
optima
optimal
optimal
optimalities
optimality
optimally
optimate
optimates
optime
optimes
optimisation
optimisations

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