BrainRegionLRC HL RA

Retroambigualis Nucleus

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

• Top-down path to region: Hindbrain Myelencephalon -> Myelencephalic Motor Nuclei (HL.MN) -> Expiratory Center (HL.RC) -> Retroambigualis Nucleus (LRC.HL.RA) (see Mind Maps)
• Type: nucleus
• Brain area: Lower Brain - Motor Reflex Area
• Role: subcortical.motor.flexor
• Function: Groups of premotor interneurons producing detailed motor actions
• Notes to function:
  • Different combination of activation of these premotor neurons determines vocalization, vomiting, coughing, sneezing, mating posture, or child delivery
  • ventral respiratory group

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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
LMC	LMC.MM.PAG	Periaqueductal Gray Matter	modulatory-enk	(unknown reference)
LPC	LPC.HL.SOL	Solitary Nucleus	excitatory-glu	(unknown reference)
LRC	LRC.HT.KFN	Kolliker-Fuse Nucleus	excitatory-glu	(unknown reference)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Reference
LPC	LPC.HL.AMB	Ambiguus Nucleus	excitatory-glu	(unknown reference)
	LPC.SC.VH.ONF	Onuf's Nucleus	excitatory-glu	(unknown reference)
	LPC.SC.VH.PHR	Phrenic Nucleus	excitatory-glu	(unknown reference)

Thirdparty Circuits

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• no circuits defined

References

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• no references defined