BrainRegionLAC HT BR

Barrington's Nucleus

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This page covers biological details of component Barrington's Nucleus. Region is part of aHuman target integrated biological model.

• Top-down path to region: Hindbrain Metencephalon -> Metencephalic Motor Nuclei (HT.MN) -> Barrington's Nucleus (LAC.HT.BR) (see Mind Maps)
• Type: nucleus
• Quality: L0
• Brain area: Lower Brain - Autonomous Control Area (LAC)
• Area circuit: Sacral Autonomic Control (LAX)
• Role: subcortical.motor.flexor
• Function: Supraspinal regulation of urination
• Comments: M-region, pontine micturition center (PMC)
• Notes to function:
  • Sends projections to Sacral Precerebellar 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	Role	Reference
LAC	LAC.SC.CC.DCN	Dorsal Commissural Nucleus	excitatory-glu	uncertain	(unknown reference)
LMC	LMC.MM.PAG	Periaqueductal Gray Matter	modulatory-enk	uncertain	Schematic overview of spinobulbospinal micturition reflex pathway (PAG -> BAR)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Role	Reference
LAC	LAC.SC.IZ.IML	Intermediolateral Nucleus	excitatory-glu	uncertain	(unknown reference)
	LAC.SC.IZ.SPS	Sacral Parasympathetic Nucleus	excitatory-glu	uncertain	Schematic overview of spinobulbospinal micturition reflex pathway (BAR -> SPS)
LPC	LPC.SC.VH.ONF	Onuf's Nucleus	excitatory-glu	uncertain	Schematic overview of spinobulbospinal micturition reflex pathway (BAR -> ONF)

Thirdparty Circuits

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• Schematic overview of spinobulbospinal micturition reflex pathway - see Reference (CM.BARRINGTON)

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

References

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• http://jp.physoc.org/content/557/1/287/F9.expansion.html