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Ventral anterior nucleus
Nucleus in the ventral nuclear group of the thalamus
Nucleus in the ventral nuclear group of the thalamus
| Field | Value |
|---|---|
| Name | Ventral anterior nucleus |
| Latin | nucleus ventralis anterior thalami |
| Image | ThalamicNuclei.svg |
| 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 | |
| Image2 | Thalmus.png |
| Caption2 | 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 The ventral anterior nucleus (VA) is a nucleus in the ventral nuclear group of the thalamus. It acts with the anterior part of the ventral lateral nucleus to modify signals from the basal ganglia.
Inputs and outputs
The ventral anterior nucleus receives neuronal inputs from the basal ganglia. Its main afferent fibres are from the globus pallidus. The efferent fibres from this nucleus pass into the premotor cortex for initiation and planning of movement.
Functions
It helps to function in movement by providing feedback for the outputs of the basal ganglia.
Additional images
File:Constudthal.gif|Thalamus File:Territoriostalamo.svg|Thalamus
References
References
- Fitzgerald, M J Turlough. (2012). "Clinical Neuroanatomy and Neuroscience". Saunders Elsevier.
- Swenson, Rand. "Chapter 10 - Thalamic Organization". Dartmouth Medical School.
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