BrainRegionLMC MM PAG

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Periaqueductal Gray Matter

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This page covers biological details of component Periaqueductal Gray Matter. Region is part of aHuman target integrated biological model.

  • Top-down path to region: Midbrain Mesencephalon -> Periaqueductal Gray Matter (LMC.MM.PAG) (see Mind Maps)
  • Type: nucleus
  • Brain area: Lower Brain - Modulatory Contol Area
  • Role: processor.autonomic
  • Function: Descending modulation of pain and in defensive behaviour
  • Notes to function: if there is a lesion in the PAG, then consciousness is lost; electrical stimulation of the PAG results in immediate and profound analgesia; modulatory nucleus

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Components

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  • no child items defined

Connectivity

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LMC.MM.PAG.dot.png

Inbound Region Connections:

Source Area Source Region Source Name Type Reference
FAM FAM.FT.AM.CEM Medial Central Amygdaloid Nucleus excitatory-glu Amygdalar disruption of prefrontal cortex (AM -> PAG, abstract)
FEC FEC.HT.TG.IPD Interpeduncular Nucleus modulatory-ach Connectivity map of the habenula (IPN -> PAG)
NCP NCP.NC.AL.SGCG Subgenual Cingulate Cortex excitatory-glu (unknown reference)

Outbound Region Connections:

Target Area Target Region Target Name Type Reference
LAC LAC.HT.BR Barrington's Nucleus modulatory-enk Schematic overview of spinobulbospinal micturition reflex pathway (PAG -> BAR)
LLC LLC.FD.TH.SF Subfascicular Nucleus of Thalamus modulatory-enk (unknown reference)
LMC LMC.HL.RP.MG Raphe Magnus Nucleus modulatory-enk Connectivity map of the habenula (PAG -> Raphe, abstract)
LMC.HL.RP.PL Raphe Pallidus Nucleus modulatory-enk Connectivity map of the habenula (PAG -> Raphe, abstract)
LPC LPC.HL.AMB Ambiguus Nucleus modulatory-enk (unknown reference)
LRC LRC.HL.RA Retroambigualis Nucleus modulatory-enk (unknown reference)
LRC.HT.NSC Nucleus Subceruleus modulatory-enk (unknown reference)
NDM NDM.FD.TH.PV Paraventricular Nucleus of Thalamus modulatory-enk (unknown reference)

Thirdparty Circuits

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map: BAR=Barrington's Nucleus,LAC.HT.BR, IMG=Inferior Mesenteric Ganglion,LAC.PN.SYM.IMG, IML=Intermediolateral Nucleus,LAC.SC.IZ.IML, ONF=Onuf's Nucleus,LPC.SC.VH.ONF, PAG=Periaqueductal Gray Matter,LMC.MM.PAG, PEL=Pelvic Peripheral Ganglion,LAC.PN.PSYM.PPG, SPS=Sacral Parasympathetic Nucleus,LAC.SC.IZ.SPS unavailable

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 unavailable

map: PAG=Periaqueductal Gray Matter,LMC.MM.PAG, VMH=Ventromedial Hypothalamic Nucleus,LAC.FD.HT.VM unavailable

map: ACC=Anterior Cingulate Cortex,NC.AL.ACG (Ventral Anterior Cingulate Area (NDM.NC.AL.VACG), Dorsal Anterior Cingulate Area (NDM.NC.AL.DACG), Subgenual Cingulate Cortex (NCP.NC.AL.SGCG)), AMY=Amygdala,FAM.FT.AM, BG=Basal Ganglia,FEC.FT.BG, Cerebellum=Cerebellar Complex,LLC.HT.CRC, Insula=Insular Cortex,NC.INS, PAG=Periaqueductal Gray Matter,LMC.MM.PAG, PB=Parabrachial Nucleus,LPC.HT.PRF.PB, PFC=Prefrontal Cortex,NC.AL.PFC (Rostral Mid-Dorsolateral Prefrontal Cortex (NDM.NC.AL.DLPFCR), Lateral Mid-Dorsolateral Prefrontal Cortex (NDM.NC.AL.DLPFCL), Inferior Prefrontal Gyrus (NDM.NC.AL.IPG), Broca's Area Pars Opercularis (NPE.NC.BRA.PO), Broca's Area Pars Triangularis (NPE.NC.BRA.PT), Lateral Frontopolar Cortex (NDM.NC.AL.FPC), Most Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCR), Sulcal Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCS), Medial Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCM), Lateral Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCL), Dorsomedial Prefrontal Cortex (NDM.NC.AL.DMPFC), Ventromedial Prefrontal Cortex (NDM.NC.AL.VMPFC)), S1=Primary Somatosensory Cortex,NCP.NC.PG.S1, S2=Secondary Somatosensory Cortex,NCP.NC.PG.S2, SC=Posterior/Dorsal Horn,BMA.SC.PH, Thalamus=Sensory Thalamus,FD.TH.SR unavailable

map: ACC=Anterior Cingulate Cortex,NC.AL.ACG (Ventral Anterior Cingulate Area (NDM.NC.AL.VACG), Dorsal Anterior Cingulate Area (NDM.NC.AL.DACG), Subgenual Cingulate Cortex (NCP.NC.AL.SGCG)), AM=Amygdala,FAM.FT.AM, INS=Insular Cortex,NC.INS, PAG=Periaqueductal Gray Matter,LMC.MM.PAG, PFC=Orbitofrontal Cortex,NC.AL.OPFC (Lateral Frontopolar Cortex (NDM.NC.AL.FPC), Most Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCR), Sulcal Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCS), Medial Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCM), Lateral Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCL)), PPC=Superior Parietal Lobule,NC.SPL, S1=Primary Somatosensory Cortex,NCP.NC.PG.S1, SMA=Supplementary Motor Cortex,NMA.NC.SMC, TH=Thalamus,FD.TH (Lateral Geniculate Nucleus (NSA.FD.LGN), Medial Geniculate Body (NSA.FD.TH.MGB), Ventral Posteroinferior Nucleus (NCP.FD.TH.VPI), Ventral Posterolateral Nucleus (NCP.FD.TH.VPL), Ventral Posteromedial Nucleus (NCP.FD.TH.VPM), Inferior Pulvinar (NSA.FD.TH.IPV), Lateral Pulvinar (NSA.FD.TH.LPV), Medial Pulvinar (NPE.FD.TH.MPV), Oral Pulvinar (NPE.FD.TH.OPV), Limitans Nucleus of Thalamus (NCP.FD.TH.LI), Suprageniculate Nucleus of Thalamus (NSA.FD.TH.SG), Submedial Nucleus of Thalamus (NDM.FD.TH.SM), Ventral Anterior Nucleus (NMA.FD.TH.VA), Ventral Lateral Nucleus (NMA.FD.TH.VL), Lateral Dorsal Nucleus of Thalamus (FMM.FD.TH.LD), Lateral Posterior Nucleus of Thalamus (NPE.FD.TH.LP), Medial Mediodorsal Nucleus of Thalamus (NDM.FD.TH.MDM), Central Mediodorsal Nucleus of Thalamus (NCP.FD.TH.MDC), Lateral Mediodorsal Nucleus of Thalamus (NMA.FD.TH.MDL), Anteromedial Nucleus (NCP.FD.TH.AM), Anteroventral Nucleus (FMM.FD.TH.AV), Anterodorsal Nucleus (FMM.FD.TH.AD), Rostral Intralaminar Nuclear Group of Thalamus (NCP.FD.TH.RIL), Centromedian Nucleus of Thalamus (FEC.FD.TH.CM), Parafascicular Nucleus of Thalamus (FEC.FD.TH.PF), Paratenial Nucleus of Thalamus (FAM.FD.TH.PT), Paraventricular Nucleus of Thalamus (NDM.FD.TH.PV), Reuniens Nucleus of Thalamus (FMM.FD.TH.RE), Rhomboidal Nucleus of Thalamus (FMM.FD.TH.RH), Subfascicular Nucleus of Thalamus (LLC.FD.TH.SF)) unavailable

map: BLN=Parvicellular Basal Amygdaloid Nucleus,FAM.FT.AM.BP, CEA=Central Amygdala,FAM.FT.AM.CEA (Central Amygdaloid Nucleus, capsular subdivision (FAM.FT.AM.CEC), Central Amygdaloid Nucleus, lateral subdivision (FAM.FT.AM.CEL), Medial Central Amygdaloid Nucleus (FAM.FT.AM.CEM)), EC=Entorhinal Cortex,FMM.NC.PH.ET (Lateral Entorhinal Cortex (FMM.NC.PH.LEC), Medial Entorhinal Cortex (FMM.NC.PH.MEC)), HC=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)), HTS=Lateral Hypothalamic Nucleus,LAC.FD.HT.LTN, ITC=Inferotemporal Cortex,NSA.NC.IT.TE, LA=Lateral Amygdaloid Nucleus,FAM.FT.AM.LA (Dorsolateral Amygdaloid Nucleus (FAM.FT.AM.LADL), Ventrolateral Amygdaloid Nucleus (FAM.FT.AM.LAVL), Ventromedial Amygdaloid Nucleus (FAM.FT.AM.LAVM)), LHB=Lateral Habenula,FAM.FD.LHB (Lateral Habenula Medial Part (FAM.FD.LHB.MED), Lateral Habenula Lateral Part (FAM.FD.LHB.LT)), MD=Mediodorsal Nucleus of Thalamus,FD.TH.MD (Medial Mediodorsal Nucleus of Thalamus (NDM.FD.TH.MDM), Central Mediodorsal Nucleus of Thalamus (NCP.FD.TH.MDC), Lateral Mediodorsal Nucleus of Thalamus (NMA.FD.TH.MDL)), MPFC=Orbitomedial Prefrontal Cortex,NC.AL.OMPFC, NACC=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, RMTG=Rostromedial Tegmental Nucleus,FEC.HT.TG.RMTG, STC=Wernicke's area A3,NSA.NC.STG.A3, VGDM=Vagus Nucleus,LAC.HL.VGN, VTA=Ventral Tegmental Area,LMC.MM.VTA unavailable

map: ACG=Anterior Cingulate Cortex,NC.AL.ACG (Ventral Anterior Cingulate Area (NDM.NC.AL.VACG), Dorsal Anterior Cingulate Area (NDM.NC.AL.DACG), Subgenual Cingulate Cortex (NCP.NC.AL.SGCG)), AM=Amygdala,FAM.FT.AM, HC=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)), HT.L=Lateral Hypothalamic Area,LAC.FD.HT.LT (Lateral Hypothalamic Nucleus (LAC.FD.HT.LTN), Supramammillary Nucleus (LAC.FD.HT.SUM), Tuberomammillary Nucleus (LAC.FD.HT.TBM), Premammillary Nucleus (LAC.FD.HT.PRM)), HT.PV=Paraventricular Nucleus,LAC.FD.HT.PV, INS=Insular Cortex,NC.INS, LC=Locus Coeruleus,LMC.HT.LC, MPFC=Orbitofrontal Cortex,NC.AL.OPFC (Lateral Frontopolar Cortex (NDM.NC.AL.FPC), Most Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCR), Sulcal Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCS), Medial Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCM), Lateral Rostral Orbitofrontal Cortex (NDM.NC.AL.ROFCL)), PAG=Periaqueductal Gray Matter,LMC.MM.PAG, PB=Parabrachial Nucleus,LPC.HT.PRF.PB, PUT=Endocrine Glands,TARGET.TEA.ENDOCRINE, SOL=Solitary Nucleus,LPC.HL.SOL, TH=Thalamus,FD.TH (Lateral Geniculate Nucleus (NSA.FD.LGN), Medial Geniculate Body (NSA.FD.TH.MGB), Ventral Posteroinferior Nucleus (NCP.FD.TH.VPI), Ventral Posterolateral Nucleus (NCP.FD.TH.VPL), Ventral Posteromedial Nucleus (NCP.FD.TH.VPM), Inferior Pulvinar (NSA.FD.TH.IPV), Lateral Pulvinar (NSA.FD.TH.LPV), Medial Pulvinar (NPE.FD.TH.MPV), Oral Pulvinar (NPE.FD.TH.OPV), Limitans Nucleus of Thalamus (NCP.FD.TH.LI), Suprageniculate Nucleus of Thalamus (NSA.FD.TH.SG), Submedial Nucleus of Thalamus (NDM.FD.TH.SM), Ventral Anterior Nucleus (NMA.FD.TH.VA), Ventral Lateral Nucleus (NMA.FD.TH.VL), Lateral Dorsal Nucleus of Thalamus (FMM.FD.TH.LD), Lateral Posterior Nucleus of Thalamus (NPE.FD.TH.LP), Medial Mediodorsal Nucleus of Thalamus (NDM.FD.TH.MDM), Central Mediodorsal Nucleus of Thalamus (NCP.FD.TH.MDC), Lateral Mediodorsal Nucleus of Thalamus (NMA.FD.TH.MDL), Anteromedial Nucleus (NCP.FD.TH.AM), Anteroventral Nucleus (FMM.FD.TH.AV), Anterodorsal Nucleus (FMM.FD.TH.AD), Rostral Intralaminar Nuclear Group of Thalamus (NCP.FD.TH.RIL), Centromedian Nucleus of Thalamus (FEC.FD.TH.CM), Parafascicular Nucleus of Thalamus (FEC.FD.TH.PF), Paratenial Nucleus of Thalamus (FAM.FD.TH.PT), Paraventricular Nucleus of Thalamus (NDM.FD.TH.PV), Reuniens Nucleus of Thalamus (FMM.FD.TH.RE), Rhomboidal Nucleus of Thalamus (FMM.FD.TH.RH), Subfascicular Nucleus of Thalamus (LLC.FD.TH.SF)) unavailable


References

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