BrainRegionLPC HT PN PTR

Principal Trigeminal Nucleus

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This page covers biological details of component Principal Trigeminal Nucleus. Region is part of aHuman target integrated biological model.

• Top-down path to region: Hindbrain Metencephalon -> Metencephalic Sensory Nuclei (HT.SN) -> Pontine Nuclear Complex (HT.PN) -> Principal Trigeminal Nucleus (LPC.HT.PN.PTR) (see Mind Maps)
• Type: nucleus
• Brain area: Lower Brain - Peripheral Control Area
• Role: relay
• Function: Facial Somatic Sensations
• Notes to function: Upper, maxillary, ophthalmic

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Components

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• no child items defined

Connectivity

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Inbound Region Connections:

Source Area	Source Region	Source Name	Type	Reference
LPC	LPC.MM.MSTR	Mesencephalic Trigeminal Nucleus	excitatory-glu	(unknown reference)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Reference
LPC	LPC.HL.TGS.STR	Spinal Trigeminal Nucleus	excitatory-glu	Eye blink reflex and pupillary light reflex (PrincipalTrigeminal -> SpinalTrigeminal)
NSA	NSA.FD.TH.VPM	Ventral Posteromedial Nucleus	excitatory-glu	Trigeminal Nuclei (CSN -> VPM)

Thirdparty Circuits

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• Eye blink reflex and pupillary light reflex - see Reference

• Trigeminal Nuclei - see Reference

• Thalamocortical relationships - see Reference

References

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• http://neuroscience.uth.tmc.edu/s3/chapter07.html
• http://www.lookfordiagnosis.com/mesh_info.php?term=Trigeminal+Nucleilang=1
• http://what-when-how.com/neuroscience/the-thalamus-and-cerebral-cortex-integrative-systems-part-2/