BrainRegionLPC PN SG SP

Spiral Ganglion

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This page covers biological details of component Spiral Ganglion. Region is part of aHuman target integrated biological model.

• Top-down path to region: Peripheral Nervous System -> Sensory Ganglia (PNS.SG) -> Sensory Exteroception Ganglia (PN.SG.SE) -> Spiral Ganglion (LPC.PN.SG.SP) (see Mind Maps)
• Type: sensory ganglion
• Brain area: Lower Brain - Peripheral Control Area
• Role: sensory.ganglion
• Function: Auditory patterns
• Comments: human has 30K, cat - 50K cells
• Notes to function:
  • Fibres from bipolar cells in the spiral ganglion consist of peripheral branches that end in the organ of Corti and central branches that end in the ventral and dorsal cochlear nuclei

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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
TSA	TARGET.TSA.EAR	Ear	ear-inner-hair-cells	Auditory System Model (Ear -> CochleaGanglion)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Reference
LPC	LPC.HL.DCOCH	Dorsal Cochlear Nucleus	excitatory-glu	Auditory System in Brain (CochleaGanglion -> Cochlea, abstract)
	LPC.HL.VCOCH	Ventral Cochlear Nucleus	excitatory-glu	Auditory System in Brain (CochleaGanglion -> Cochlea, abstract)

Thirdparty Circuits

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• Auditory System in Brain - see Reference (CP.AUDITORY-SYSTEM-BRAIN)

A1=Primary Auditory Cortex,NSA.NC.TTG.A1
Cochlea=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
CochleaGanglion=Spiral Ganglion,LPC.PN.SG.SP
Ear=Ear,TARGET.TSA.EAR
IC=Inferior Colliculus,ABA.MM.IC (see Reflexes Nuclei of Midbrain Mesencephalon)
MGB=Medial Geniculate Body,NSA.FD.TH.MGB
Olive=Superior Olivary Complex,LPC.MM.SOC

• Five Parallel Auditory Pathways - see Reference (CP.FIVE-AUDITORY-PATHWAYS)

AC=Primary Auditory Cortex,NSA.NC.TTG.A1
Cochlea=Ear,TARGET.TSA.EAR
CochleaGanglion=Spiral Ganglion,LPC.PN.SG.SP
DCN=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
DNLL=Nuclei of Lateral Lemniscus,LPC.HT.PN.LL
GBC=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
ICC=Inferior Colliculus,ABA.MM.IC (see Reflexes Nuclei of Midbrain Mesencephalon)
ICx=Inferior Colliculus,ABA.MM.IC (see Reflexes Nuclei of Midbrain Mesencephalon)
LS=Hippocampal Formation,FMM.FT.HF
LSO=Superior Olivary Complex,LPC.MM.SOC
MC=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
MGB=Medial Geniculate Body,NSA.FD.TH.MGB
MSO=Superior Olivary Complex,LPC.MM.SOC
OC=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
SBC=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
SC=Superior Colliculus,MM.SC (see Reflexes Nuclei of Midbrain Mesencephalon)
VNLL=Nuclei of Lateral Lemniscus,LPC.HT.PN.LL
VNTB=Superior Olivary Complex,ABA.MM.SOC.TZ

• Auditory System Model - see Reference (CP.AUDITORY-SYSTEM-MODEL)

A1=Primary Auditory Cortex,NSA.NC.TTG.A1
Cochlea=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
CochleaGanglion=Spiral Ganglion,LPC.PN.SG.SP
Ear=Ear,TARGET.TSA.EAR
IC=Inferior Colliculus,ABA.MM.IC (see Reflexes Nuclei of Midbrain Mesencephalon)
MGB=Medial Geniculate Body,NSA.FD.TH.MGB
Olive=Superior Olivary Complex,LPC.MM.SOC

References

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• http://www.benbest.com/science/anatmind/anatmd6.html
• http://lifeboat.com/ex/law.of.accelerating.returns
• http://www.sciencedirect.com/science/article/pii/S1359644605035427