Ventral posterior nucleus
Ventral posterior nucleus | |
---|---|
Details | |
Part of | Thalamus |
Identifiers | |
Latin | Nucleus ventralis posterior thalami |
NeuroNames | 343 |
NeuroLex ID | birnlex_1116 |
Anatomical terms of neuroanatomy |
The ventral posterior nucleus is the somato-sensory relay nucleus in thalamus of the brain.
Input and output[]
The ventral posterior nucleus receives neuronal input from the medial lemniscus, spinothalamic tracts, and trigeminothalamic tract. It projects to the somatosensory cortex and the ascending reticuloactivation system.
Subdivisions[]
The ventral posterior nucleus is divided into:
- Ventral posterolateral nucleus, which receives sensory information from the body.
- Ventral posteromedial nucleus, which receives sensory information from the head and face via the trigeminal nerve.
- Ventral intermediate nucleus, implicated in oscillatory tremor generation in Parkinson's disease and essential tremor.[1]
Function[]
Functions in touch, body position, pain, temperature, itch, taste, and arousal. Modulates tremor in certain pathology.
Additional images[]
Thalamus
Thalamus
References[]
- ^ Deiber, MP (1993). "Thalamic stimulation and suppression of parkinsonian tremor". Brain. 116 (1): 267–79. doi:10.1093/brain/116.1.267.
Categories:
- Thalamus
- Neuroanatomy stubs