BrainRegionLPC HT PN PTR
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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
- Quality: L0
- Brain area: Lower Brain - Peripheral Control Area (LPC)
- Area circuit: Sensory Face (SF)
- Role: sensory.nucleus
- 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 | Role | Reference |
| LPC | LPC.MM.MSTR | Mesencephalic Trigeminal Nucleus | excitatory-glu | uncertain | (unknown reference) |
Outbound Region Connections:
| Target Area | Target Region | Target Name | Type | Role | Reference |
| LPC | LPC.HL.TGS.STR | Spinal Trigeminal Nucleus | excitatory-glu | uncertain | Eye blink reflex and pupillary light reflex (PrincipalTrigeminal -> SpinalTrigeminal) |
| NCP | NCP.FD.TH.VPM | Ventral Posteromedial Nucleus | excitatory-glu | uncertain | Trigeminal Nuclei (CSN -> VPM) |
Thirdparty Circuits
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- Eye blink reflex and pupillary light reflex - see Reference (CP.SACCADIC-MOTOR-CONTROL)
Abducens=Abducens Nucleus,LPC.HT.ABD Ciliary=Ciliary Ganglion,LAC.PN.PSYM.CLG EWN=Edinger-Westphal Nucleus,LAC.MM.EWN EYE=Eye,TARGET.TSA.EYE Facial=Facial Motor Nucleus,LPC.HT.FCM Oculomotor=Oculomotor Nucleus,LPC.MM.OCN Pretectum=Pretectum,MM.PT (see Reflexes Nuclei of Midbrain Mesencephalon) PrincipalTrigeminal=Principal Trigeminal Nucleus,LPC.HT.PN.PTR RF=Pontine Reticular Formation,HT.RF SpinalTrigeminal=Spinal Trigeminal Nucleus,LPC.HL.TGS.STR SupraOculomotor=Supraoculomotor Area,VBA.MM.SOA (see Reflexes Nuclei of Midbrain Mesencephalon) VAC=Associative Visual Cortex,NPE.NC.OCC.V3 (see Occipital Lobe)
- Trigeminal Nuclei - see Reference (CP.TRIGEMINAL-NUCLEI)
CSN=Principal Trigeminal Nucleus,LPC.HT.PN.PTR EYE=Eye,TARGET.TSA.EYE STR=Spinal Trigeminal Nucleus,LPC.HL.TGS.STR VPM=Ventral Posteromedial Nucleus,NCP.FD.TH.VPM
- Thalamocortical relationships - see Reference (CL.THALAMUS-PROJECTIONS)
A=Anterior Nucleus of Thalamus,FD.TH.AN (see Cognitive Thalamus) CM=Centromedian Nucleus of Thalamus,FEC.FD.TH.CM LD=Lateral Dorsal Nucleus of Thalamus,FMM.FD.TH.LD LGN=Lateral Geniculate Nucleus,NSA.FD.LGN LP=Lateral Posterior Nucleus of Thalamus,NPE.FD.TH.LP MD=Mediodorsal Nucleus of Thalamus,FD.TH.MD (see Cognitive Thalamus) MGN=Medial Geniculate Body,NSA.FD.TH.MGB P=Ventral Posterior Nuclei,NSA.FD.TH.VP (see Sensory Thalamus) VA=Ventral Anterior Nucleus,NMA.FD.TH.VA VL=Ventral Lateral Nucleus,NMA.FD.TH.VL VPL=Ventral Posterolateral Nucleus,NCP.FD.TH.VPL VPM=Ventral Posteromedial Nucleus,NCP.FD.TH.VPM pA=Posterior Cingulate Cortex,NCP.NC.MPL.PSCG pCM=Dorsal Putamen,FEC.FT.DPU (see Basal Ganglia) pLD=Anterior Cingulate Cortex,NC.AL.ACG (see Anterior Cingulate Area) pLGN=Primary Visual Cortex,NSA.NC.OCC.V1 pLP=Superior Parietal Lobule,NC.SPL pMD=Prefrontal Cortex,NC.AL.PFC pMGN=Primary Auditory Cortex,NSA.NC.TTG.A1 pP=Insular Cortex,NC.INS pVA=Supplementary Motor Cortex,NMA.NC.SMC pVL=Motor Cortex,NMA.NC.MC pVPL=Primary Somatosensory Cortex,NCP.NC.PG.S1 pVPM=Precentral Cortex,NCP.NC.PO.PCC s1A=Subiculum,FMM.FT.HF.SUB (see Hippocampal Formation) s1MD=Septal Nuclei,FAM.FT.SEP s1P=Central Cervical Nucleus,LPC.SC.IZ.CCV s1VL=Dentate Nucleus,LLC.HT.CR.DN s2A=Mammillary Body,FD.MB (see Hypothalamus) s2MD=Piriform Cortex,NSA.NC.PH.PIR s2P=Principal Trigeminal Nucleus,LPC.HT.PN.PTR s2VL=Basal Ganglia,FEC.FT.BG s3MD=Prefrontal Cortex,NC.AL.PFC sCM=Globus Pallidus Internal,FEC.FT.GPI (see Basal Ganglia) sLD=Superior Parietal Lobule,NC.SPL sLP=Superior Colliculus,MM.SC (see Reflexes Nuclei of Midbrain Mesencephalon) sVA=Basal Ganglia,FEC.FT.BG sVPL=Marginal Nucleus,LPC.SC.PH.MG (see Posterior/Dorsal Horn) sVPM=Solitary Nucleus,LPC.HL.SOL
References
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