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Ventral posterolateral nucleus

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Title: Ventral posterolateral nucleus  
Author: World Heritage Encyclopedia
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Subject: Dorsal trigeminal tract, Ventral lateral nucleus, Ventral posteromedial nucleus, Anterior trigeminothalamic tract, Ventral posterior nucleus
Collection: Cerebrum
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Ventral posterolateral nucleus

Ventral posterolateral nucleus
Thalamic nuclei
Details
Latin nucleus ventralis posterolateralis thalami
Part of Ventral posterior nucleus
Identifiers
NeuroNames hier-327
NeuroLex ID Ventral posterolateral nucleus
Dorlands
/Elsevier
n_11/12584011
Anatomical terms of neuroanatomy

The ventral posterolateral nucleus (VPL) is a nucleus of the thalamus. Together with the ventral posteromedial nucleus (VPM), ventral posterior inferior nucleus (VPI) and ventromedial posterior nucleus (VMpo), it constitutes the ventral posterior nucleus. There is uncertainty in the location of VMpo, as determined by STT terminations and staining for calcium-binding proteins, and several authorities do not consider its exstence as being proved (Willis et al The Journal of Pain 2002;3:79-94; Graziano and Jones, The Journal of Neuroscience 2004;24:248–256.

Input and output

The VPL receives information from the neospinothalamic tract and the medial lemniscus of the posterior column-medial lemniscus pathway. It then projects this sensory information to Brodmann's Areas 3, 1 and 2 in the postcentral gyrus. Collectively, Brodmann areas 3, 1 and 2 make up the primary somatosensory cortex of the brain.

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