optic radiations

radiations, optic

That part of the visual pathway which consists of axons arising in the lateral geniculate body and terminating in a fan-shaped manner in the visual area of the occipital lobe. As they emerge from the lateral geniculate body the inferior fibres loop forward in the temporal lobe before swinging back toward the occipital cortex. These fibres form what is called Meyer's loop (or Archambault's loop). They receive impulses from the inferior retinal quadrants (corresponding to the superior aspect of the contralateral visual field) and terminate on the inferior lip of the calcarine fissure. Syn. optic radiations of Gratiolet; geniculocalcarine pathway; geniculostriate pathway.

单词	optic radiations
释义	DictionarySeeoptic radiation optic radiations radiations, optic That part of the visual pathway which consists of axons arising in the lateral geniculate body and terminating in a fan-shaped manner in the visual area of the occipital lobe. As they emerge from the lateral geniculate body the inferior fibres loop forward in the temporal lobe before swinging back toward the occipital cortex. These fibres form what is called Meyer's loop (or Archambault's loop). They receive impulses from the inferior retinal quadrants (corresponding to the superior aspect of the contralateral visual field) and terminate on the inferior lip of the calcarine fissure. Syn. optic radiations of Gratiolet; geniculocalcarine pathway; geniculostriate pathway.
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