BrainRegionFAM FT SEP TR

Triangular Septal Nucleus

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

• Top-down path to region: Forebrain Telencephalon -> Extended Amygdala (FAM.FT.EXTAM) -> Septal Nuclei (FAM.FT.SEP) -> Posterior Septal Group (FAM.FT.SEP.PG) -> Triangular Septal Nucleus (FAM.FT.SEP.TR) (see Mind Maps)
• Type: nucleus
• Brain area: Forebrain - Affective Motivations Area
• Role: processor.affective.conscious
• Function: afferent to medial habenula, interpeduncular nucleus

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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
FAM	FAM.HT.TG.NI	Incertus Nucleus	inhibitory-gaba	(unknown reference)
FMM	FMM.FT.HF.SUBD	Distal Subiculum	excitatory-glu	Principal Connections of Hippocampus (HC -> SEP, abstract)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Reference
FAM	FAM.FD.MHB	Medial Habenula	inhibitory-gaba	Connectivity map of the habenula (Septum -> M, abstract)

Thirdparty Circuits

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• Medial mammillary nucleus and theta rhythm - see Reference

map: AVTH=Anteroventral Nucleus,FMM.FD.TH.AV, HF=Hippocampal Formation,FMM.FT.HF, MMB=Medial Mammillary Nucleus,FMM.FD.MB.MMB, RSP=Retrosplenial Cortex,NCP.NC.MPL.RSC, SEP=Septal Nuclei,FAM.FT.SEP, SupraMM=Supramammillary Nucleus,LAC.FD.HT.SUM, VTN=Ventral Tegmental Area,LMC.MM.VTA

• Connectivity map of the habenula - see Reference

map: CPu=Striatum,FEC.FT.ST (Nucleus Accumbens Core (FEC.FT.ACC.CORE), Nucleus Accumbens Shell (FEC.FT.ACC.SH), Ventral Putamen (FEC.FT.PU.VT), Caudate Nucleus Head (FEC.FT.CN.HD), Caudate Nucleus Body (FEC.FT.CN.BD), Caudate Nucleus Tail (FEC.FT.CN.TL), Dorsal Putamen Lateral (FEC.FT.PU.LT), Dorsal Putamen Medial (FEC.FT.PU.MED)), EP=Endopiriform Nucleus,FAM.FT.EPF, Hippo=Hippocampus,FMM.FT.HC (Dentate Gyrus (FMM.FT.HC.DG), Proximal CA1 of Hippocampus (FMM.FT.HC.CA1P), Middle CA1 of Hippocampus (FMM.FT.HC.CA1M), Distal CA1 of Hippocampus (FMM.FT.HC.CA1D), Dorsolateral Cornu Ammonis of Hippocampus (FMM.FT.HC.CA2), Proximal CA3 of Hippocampus (FMM.FT.HC.CA3P), Middle CA3 of Hippocampus (FMM.FT.HC.CA3M), Distal CA3 of Hippocampus (FMM.FT.HC.CA3D)), IPN=Interpeduncular Nucleus,FEC.HT.TG.IPD, L=Lateral Habenula,FAM.FD.LHB (Lateral Habenula Medial Part (FAM.FD.LHB.MED), Lateral Habenula Lateral Part (FAM.FD.LHB.LT)), LH=Lateral Hypothalamic Nucleus,LAC.FD.HT.LTN, M=Medial Habenula,FAM.FD.MHB, NAc=Accumbens Nucleus,FEC.FT.ACC (Nucleus Accumbens Core (FEC.FT.ACC.CORE), Nucleus Accumbens Shell (FEC.FT.ACC.SH)), PAG=Periaqueductal Gray Matter,LMC.MM.PAG, Raphe=Raphe Nuclei of Medulla,LMC.HL.RP (Raphe Pallidus Nucleus (LMC.HL.RP.PL), Raphe Obscurus Nucleus (LMC.HL.RP.OB), Raphe Magnus Nucleus (LMC.HL.RP.MG)), SNc=Substantia Nigra Pars Compacta,FEC.FT.SNC (Substantia Nigra Pars Compacta Lateral (FEC.FT.SNC.LT), Substantia Nigra Pars Compacta Medial (FEC.FT.SNC.MED)), Septum=Septal Nuclei,FAM.FT.SEP, VTA=Ventral Tegmental Area,LMC.MM.VTA

References

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• http://www.nature.com/nrn/journal/v5/n1/fig_tab/nrn1299_F4.html
• http://jn.physiology.org/content/107/10/2633