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Sagittal View of White Matter Tracts

Surgical Correlation

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Sagittal view of white matter tracts. Dissection of the cerebral white matter tracts lateral to the basal ganglia reveals the putamen with its associated vascular supply: the lateral lenticulostriate arteries, which are branches of the M1 middle cerebral artery. The claustrum lies lateral to the putamen, and carries ipsilateral corticocortical association fibers toward the cortex. The lateral geniculate nucleus of the thalamus projections optic radiations posteriorly to the primary visual cortex within the occipital lobe. Occipital fibers projecting to the temporal lobe are termed the inferior longitudinal fasciculus. The superior longitudinal fasciculus carries fibers between ipsilateral cortices and is located lateral to the corona radiata and the claustrocortical fibers. (Image courtesy of AL Rhoton, Jr.)

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