BrainRegionLPC HT TRM

Trigeminal Motor Nucleus

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

• Top-down path to region: Hindbrain Metencephalon -> Metencephalic Motor Nuclei (HT.MN) -> Trigeminal Motor Nucleus (LPC.HT.TRM) (see Mind Maps)
• Type: nucleus
• Quality: L0
• Brain area: Lower Brain - Peripheral Control Area (LPC)
• Area circuit: Control Face Muscles (MF)
• Role: flexor.nucleus
• Function: Muscles of first branchial arch
• Notes to function:
  • Pontine Nuclei, lower face and jaw control, Motor Nucleus of V n.

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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)
LRC	LRC.HT.PRF.CRF	Caudal Pontine Reticular Nucleus	excitatory-glu	Vocal Control (RF -> MotorV, abstract)
	LRC.HT.PRF.PVR	Parvocellular Reticular Nucleus	excitatory-glu	Vocal Control (RF -> MotorV, abstract)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Reference
TEA	TARGET.TEA.FEEDER	Mouth feeder	digastric-muscle-trigeminal	(unknown reference)
TSA	TARGET.TSA.EAR	Ear	ear-tensor-tympani-muscle	(unknown reference)

Thirdparty Circuits

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• Vocal Control - see Reference (CM.VOCAL-CONTROL)

A1=Primary Auditory Cortex,NSA.NC.TTG.A1
Broca=Broca's Area,NPE.NC.PFC.BRA (see Lateral Prefrontal Cortex)
M2=Supplementary Motor Cortex,NMA.NC.SMC
MotorV=Trigeminal Motor Nucleus,LPC.HT.TRM
MotorVII=Facial Motor Nucleus,LPC.HT.FCM
NucleusAmbiguus=Ambiguus Nucleus,LPC.HL.AMB
NucleusXII=Hypoglossal Motor Nucleus,LPC.HL.HYG
Premotor24=Ventral Anterior Cingulate Area,NDM.NC.AL.VACG
RF=Pontine Reticular Formation,HT.RF
Wernike=Wernicke's area A4,NSA.NC.STG.A4

References

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• http://www.frontiersin.org/neuroanatomy/10.3389/fnana.2011.00034/full