BrainRegionFMM FT HC CA2

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Dorsolateral Cornu Ammonis of Hippocampus

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This page covers biological details of component Dorsolateral Cornu Ammonis of Hippocampus. Region is part of aHuman target integrated biological model.

  • Top-down path to region: Forebrain Telencephalon -> Hippocampal Formation (FMM.FT.HF) -> Hippocampus (FMM.FT.HC) -> Dorsolateral Cornu Ammonis of Hippocampus (FMM.FT.HC.CA2) (see Mind Maps)
  • Type: cortex
  • Quality: L0
  • Brain area: Forebrain - Memory Management Area (FMM)
  • Area circuit: Creating Fields (MMAHCF)
  • Role: processor.memory.ca2
  • Function: Gate controlled by the activity of the supramammillary nucleus to control signal propagation between HC lamines
  • Notes to function:
    • Hippocampus. Receives theta rithm input from Septum Nucleus
    • the only SUM projection in rat, the only converge from ET L2 and L3
    • social memory

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Components

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  • no child items defined

Connectivity

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FMM.FT.HC.CA2.dot.png

Inbound Region Connections:

Source Area Source Region Source Name Type Role Reference
FAM FAM.FT.SEP.DBB Diagonal Band of Broca inhibitory-gaba uncertain Medial mammillary nucleus and theta rhythm (SEP -> HF, abstract)
FMM FMM.FT.HC.CA3D Distal CA3 of Hippocampus inhibitory-gaba uncertain KIV model of cortico-hippocampal formation with subcortical projections for motor actions (CA3 -> CA2, abstract)
FMM.FT.HC.CA3M Middle CA3 of Hippocampus inhibitory-gaba uncertain KIV model of cortico-hippocampal formation with subcortical projections for motor actions (CA3 -> CA2, abstract)
FMM.FT.HC.CA3P Proximal CA3 of Hippocampus inhibitory-gaba uncertain KIV model of cortico-hippocampal formation with subcortical projections for motor actions (CA3 -> CA2, abstract)
FMM.NC.PH.LEC Lateral Entorhinal Cortex excitatory-glu uncertain Amygdala and its network (EC -> HC, abstract)
FMM.NC.PH.MEC Medial Entorhinal Cortex excitatory-glu uncertain Amygdala and its network (EC -> HC, abstract)
LAC LAC.FD.HT.SUM Supramammillary Nucleus excitatory-glu uncertain Medial mammillary nucleus and theta rhythm (SupraMM -> HF, abstract)

Outbound Region Connections:

Target Area Target Region Target Name Type Role Reference
FMM FMM.FT.HC.CA1D Distal CA1 of Hippocampus excitatory-glu uncertain Flow of impulses in hippocampal region (CA2 -> CA1, abstract)
FMM.FT.HC.CA1M Middle CA1 of Hippocampus excitatory-glu uncertain Flow of impulses in hippocampal region (CA2 -> CA1, abstract)
FMM.FT.HC.CA1P Proximal CA1 of Hippocampus excitatory-glu uncertain Flow of impulses in hippocampal region (CA2 -> CA1, abstract)

Thirdparty Circuits

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AD=Anterodorsal Nucleus,FMM.FD.TH.AD
DTN=Laterodorsal Tegmental Nucleus,LMC.HT.TG.DTG
EC=Entorhinal Cortex,FMM.NC.PH.ET (see Rhinal Cortex)
HC=Hippocampus,FMM.FT.HC (see Hippocampal Formation)
IPD=Interpeduncular Nucleus,FEC.HT.TG.IPD
LD=Lateral Dorsal Nucleus of Thalamus,FMM.FD.TH.LD
LHAB=Habenula,FAM.FD.HB
LMB=Lateral Mammillary Nucleus,FMM.FD.MB.LMB
MVSN=Medial Vestibular Nucleus,LPC.HT.MVBN
NPRP=Prepositus Nucleus,LRC.HL.NPH
PC=Parietal Lobe,NC.LOBE.PAR
PRHC=Postrhinal Cortex,FMM.NC.PH.POR
PSUB=Postsubiculum,FMM.NC.PH.POS
RSP=Retrosplenial Cortex,NCP.NC.MPL.RSC
SUPGEN=Suprageniculate Nucleus of Thalamus,NSA.FD.TH.SG
VC=Occipital Lobe,NC.LOBE.OCC


CA1=Ventrolateral Cornu Ammonis of Hippocampus,FMM.FT.HC.CA1 (see Hippocampal Formation)
CA2=Dorsolateral Cornu Ammonis of Hippocampus,FMM.FT.HC.CA2
CA3=Dorsomedial Cornu Ammonis of Hippocampus,FMM.FT.HC.CA3 (see Hippocampal Formation)
DG=Dentate Gyrus,FMM.FT.HC.DG
ENT=Entorhinal Cortex,FMM.NC.PH.ET (see Rhinal Cortex)
PRES=Presubiculum,FMM.NC.PH.PRS
SUB=Subiculum,FMM.FT.HF.SUB (see Hippocampal Formation)


CPu=Striatum,FEC.FT.ST (see Basal Ganglia)
EP=Endopiriform Nucleus,FAM.FT.EPF
Hippo=Hippocampus,FMM.FT.HC (see Hippocampal Formation)
IPN=Interpeduncular Nucleus,FEC.HT.TG.IPD
L=Lateral Habenula,FAM.FD.LHB (see Habenula)
LH=Lateral Hypothalamic Nucleus,LAC.FD.HT.LTN
M=Medial Habenula,FAM.FD.MHB
NAc=Accumbens Nucleus,FEC.FT.ACC (see Basal Ganglia)
PAG=Periaqueductal Gray Matter,LMC.MM.PAG
Raphe=Raphe Nuclei of Medulla,LMC.HL.RP (see Medullary Reticular Formation)
SNc=Substantia Nigra Pars Compacta,FEC.FT.SNC (see Basal Ganglia)
Septum=Septal Nuclei,FAM.FT.SEP
VTA=Ventral Tegmental Area,LMC.MM.VTA


AN=Anterior Nucleus of Thalamus,FD.TH.AN (see Cognitive Thalamus)
CG=Posterior Cingulate Cortex,NCP.NC.MPL.PSCG
HC=Hippocampus,FMM.FT.HC (see Hippocampal Formation)
HT=Hypothalamus,FD.HT


AON=Anterior Olfactory Nucleus,LPC.FT.AON
CA1=Ventrolateral Cornu Ammonis of Hippocampus,FMM.FT.HC.CA1 (see Hippocampal Formation)
CA2=Dorsolateral Cornu Ammonis of Hippocampus,FMM.FT.HC.CA2
CA3=Dorsomedial Cornu Ammonis of Hippocampus,FMM.FT.HC.CA3 (see Hippocampal Formation)
DG=Dentate Gyrus,FMM.FT.HC.DG
EC=Entorhinal Cortex,FMM.NC.PH.ET (see Rhinal Cortex)
PC=Piriform Cortex,NSA.NC.PH.PIR


CA1=Ventrolateral Cornu Ammonis of Hippocampus,FMM.FT.HC.CA1 (see Hippocampal Formation)
CA2=Dorsolateral Cornu Ammonis of Hippocampus,FMM.FT.HC.CA2
CA3=Dorsomedial Cornu Ammonis of Hippocampus,FMM.FT.HC.CA3 (see Hippocampal Formation)
CA4=Dentate Gyrus,FMM.FT.HC.DG


References

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