BrainRegionLLC MM RD MG

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Magnocellular Part of Red Nucleus

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

  • Top-down path to region: Midbrain Mesencephalon -> Red Nucleus (LLC.MM.RD) -> Magnocellular Part of Red Nucleus (LLC.MM.RD.MG) (see Mind Maps)
  • Type: nucleus
  • Quality: L0
  • Brain area: Lower Brain - Locomotion Control Area (LLC)
  • Area circuit: Spinocerebellar Locomotion (LLS)
  • Role: subcortical.motor.flexor
  • Function: Automatic limbs control by projection to spinal cord L6 interneurons
  • Notes to function:
    • excite flexors, inhibit extensors
    • limb control, primarily upper limbs, but no control of fingers
    • 150–200 giant or large-sized neurons in humans
    • facilitating flexor alpha motor neurons and inhibiting extensor alpha motor neurons

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Components

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  • no child items defined

Connectivity

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LLC.MM.RD.MG.dot.png

Inbound Region Connections:

Source Area Source Region Source Name Type Reference
FEC FEC.FT.SNC.LT Substantia Nigra Pars Compacta Lateral modulatory-da (unknown reference)
LLC LLC.HT.CR.EN Emboliform Nucleus excitatory-glu Cerebellum functional divisions (IP -> RD, abstract)
LLC.HT.CR.GN Globose Nucleus excitatory-glu Cerebellum functional divisions (IP -> RD, abstract)

Outbound Region Connections:

Target Area Target Region Target Name Type Reference
LPC LPC.SC.PH.CL Clarke Nucleus excitatory-glu (unknown reference)
LPC.SC.VH.PL Posterolateral Nucleus excitatory-glu Motor neurons control (RD -> FAMN, abstract)

Thirdparty Circuits

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CR=Cerebellum,LLC.HT.CR (see Cerebellar Complex)
CTX=Anterior Lobe,NC.LOBE.ANT
EAMN=Anterior/Ventral Horn,SC.VH
EGMN=Anterior/Ventral Horn,SC.VH
FAMN=Anterior/Ventral Horn,SC.VH
FG=Fastigual Nucleus,LRC.HT.CR.FG
IP=Interposed Nucleus,LLC.HT.CR.IP (see Cerebellar Complex)
LT=Dentate Nucleus,LLC.HT.CR.DN
MRF=Medullary Reticular Formation,HL.RF
PRF=Pontine Reticular Formation,HT.RF
RD=Red Nucleus,LLC.MM.RD
VB=Vestibular Nuclei,LPC.HT.VBN


References

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