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postcentral gyrus |
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postcentral gyrus [pōst′sen·trəl ′jī·rəs] (anatomy) The cerebral convolution that lies immediately posterior to the central sulcus and extends from the longitudinal fissure above the posterior ramus of the lateral sulcus. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Thalamocortical axons arising in the ventral posterolateral and ventral posteromedial nuclei project to the primary somatosensory cortex in the postcentral gyrus (Brodmann areas 3a, 3b, 1, and 2), to the secondary somatosensory cortex in the parietal operculum, and to the insula. Fredrickson et al reported that the primary cortical vestibular projections in rhesus monkeys were located in the postcentral gyrus at the lower end of the intraparietal sulcus. |
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