BrainRegionLPC HL AMB

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Ambiguus Nucleus

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

  • Top-down path to region: Hindbrain Myelencephalon -> Myelencephalic Motor Nuclei (HL.MN) -> Expiratory Center (HL.RC) -> Ambiguus Nucleus (LPC.HL.AMB) (see Mind Maps)
  • Type: nucleus
  • Brain area: Lower Brain - Peripheral Control Area
  • Role: flexor.nucleus
  • Function: Control muscles of the soft palate, pharynx, and larnyx
  • Notes to function: On par with VGM, speech; speech and swallowing




  • no child items defined



Inbound Region Connections:

Source Area Source Region Source Name Type Reference
LMC LMC.MM.PAG Periaqueductal Gray Matter modulatory-enk (unknown reference)
LPC LPC.HL.SOL Solitary Nucleus excitatory-glu (unknown reference)
LRC LRC.HL.RA Retroambigualis Nucleus excitatory-glu (unknown reference)
LRC.HT.PRF.CRF Caudal Pontine Reticular Nucleus excitatory-glu Vocal Control (RF -> NucleusAmbiguus, abstract)
NMA NMA.NC.MC Motor Cortex excitatory-glu (unknown reference)

Outbound Region Connections:

Target Area Target Region Target Name Type Reference
TEA TARGET.TEA.FEEDER Mouth feeder inferior-pharyngeal-constrictor-muscle (unknown reference)
TARGET.TEA.LUNG Lung stylopharyngeus-muscle (unknown reference)
TARGET.TEA.SPEAKER Mouth speaker arytenoid-muscle (unknown reference)
TSA TARGET.TSA.NOSE Nose nose-salpingopharyngeus (unknown reference)

Thirdparty Circuits


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