Ventral posterior nucleus
- Ventral posterior nucleus
Infobox Brain
Name = Ventral posterior nucleus
Latin =
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Caption = Thalamic nuclei:
MNG = Midline nuclear group
AN = Anterior nuclear group
MD = Medial dorsal nucleus
VNG = Ventral nuclear group
VA = Ventral anterior nucleus
VL = Ventral lateral nucleus
VPL = Ventral posterolateral nucleus
VPM = Ventral posteromedial nucleus
LNG = Lateral nuclear group
PUL = Pulvinar
MTh = Metathalamus
LG = Lateral geniculate nucleus
MG = Medial geniculate nucleus
Caption2 =
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BrainInfoType = hier
BrainInfoNumber = 326
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The ventral posterior nucleus is the somato-sensory relay nucleus in thalamus of the brain.
Input and output
It receives neuronal input from the medial lemniscus, spinal lemniscus, spinothalamic tracts, and trigeminothalamic tract (analogous to spinothalamic tract (which is below the face)). Outputs to the somatosensory cortex and the ascending reticuloactivation system.
ubdivisions
The ventral posterior nucleus is divided into:
*Ventral posterolateral nucleus, which e.g. receives sensory information from the lower part of the body.
*Ventral posteromedial nucleus, which e.g. receives sensory information from the head via the trigeminal nerve.
Function
Functions in touch, body position, pain, temperature, itch, taste, and arousal.
=Additional
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