The ventral posterolateral nucleus (VPL) is a nucleus of ventral posterior nucleus of the thalamus.[1] It relays sensory information from the second-order neurons of the neospinothalamic tract and medial lemniscus (of the posterior column-medial lemniscus pathway) which synapse with in the third-order neurons in the nucleus. These then project to the somatosensory cortex in the postcentral gyrus.[citation needed]
| Ventral posterolateral nucleus | |
|---|---|
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 | |
Thalamic nuclei
| |
| Details | |
| Part of | Ventral posterior nucleus |
| Identifiers | |
| Latin | nucleus ventralis posterolateralis thalami |
| NeuroNames | 344 |
| NeuroLexID | birnlex_737 |
| TA98 | A14.1.08.641 A14.1.08.656 |
| TA2 | 5692 |
| FMA | 62200 |
| Anatomical terms of neuroanatomy | |
There is uncertainty regarding the location of VMpo, as determined by spinothalamic tract (STT) terminations and staining for calcium-binding proteins, and several authorities do not consider its existence as being proved.[1]
The nucleus ventralis posterior lateralis pars oralis (VPLo) is a subdivision of the ventral posterolateral thalamus which has substantial projections to the motor cortex.[2]
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