BrainRegionLLC HL IO

Inferior Olivary Nucleus

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

• Top-down path to region: Hindbrain Myelencephalon -> Myelencephalic Sensory Nuclei (HL.SN) -> Spinal Sensory Nuclei (HL.SS) -> Inferior Olivary Nucleus (LLC.HL.IO) (see Mind Maps)
• Type: nucleus
• Brain area: Lower Brain - Locomotion Control Area
• Role: processor.autonomic
• Function: Proprioception Relay from Spinal Cord to Cerebellum

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Components

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Component items:

• Dorsal Accessory Olive
• Dorsal Cap of Kooy
• Medial Accessory Olive
• Principal Olivary Nucleus
• Rostral Portion of Medial Accessory Olive

Connectivity

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Inbound Region Connections:

Source Area	Source Region	Source Name	Type	Reference
LLC	LLC.FD.TH.SF	Subfascicular Nucleus of Thalamus	inhibitory-gaba	(unknown reference)
	LLC.MM.RD	Red Nucleus	excitatory-glu	Cerebellum functional divisions (RD -> IO)
LPC	LPC.SC.IZ.CCV	Central Cervical Nucleus	excitatory-glu	(unknown reference)
	LPC.SC.PH.NP	Proprius Nucleus	excitatory-glu	Cerebellum functional divisions (SCS -> IO)
LRC	LRC.MM.DSCH	Darkschewitsch Nucleus	excitatory-glu	(unknown reference)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Reference
LLC	LLC.HT.CR.CC	Cerebellar Lateral Lobe	excitatory-glu	Cerebellum functional divisions (IO -> CRP)
	LLC.HT.CR.GN	Globose Nucleus	excitatory-glu	(unknown reference)
	LLC.HT.CR.PV	Cerebellar Paravermis	excitatory-glu	Cerebellum functional divisions (IO -> CRS)
LRC	LRC.HT.CR.VM	Cerebellar Vermis	excitatory-glu	Cerebellum functional divisions (IO -> CRV)

Thirdparty Circuits

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• Cerebellum functional divisions - see Reference

References

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• http://instruct.uwo.ca/anatomy/530/cblm.htm