BrainRegionLRC MM PT PON

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Pretectal Olivary Nucleus

@@Home -> BiologicalLifeResearch -> BrainAreaLRC -> BrainRegionLRC_MM_PT_PON

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

  • Top-down path to region: Midbrain Mesencephalon -> Reflexes Nuclei of Midbrain Mesencephalon (MM.REF) -> Visual Reflexes Nuclei of Midbrain Mesencephalon (MM.REF.VIS) -> Pretectum (MM.PT) -> Pretectal Olivary Nucleus (LRC.MM.PT.PON) (see Mind Maps)
  • Type: nucleus
  • Brain area: Lower Brain - Motor Reflex Area
  • Role: processor.automatic
  • Function: Pupillary light reflex and modulating subcortical nuclei involved in circadian rhythms
  • Notes to function: Primary visual centre, involved in the pupillary light reflex, receives retinal input




  • no child items defined



Inbound Region Connections:

Source Area Source Region Source Name Type Reference
LPC LPC.FD.RT Retinal Nucleus excitatory-glu Effect of light on pupil diameter (RET -> OPN)

Outbound Region Connections:

Target Area Target Region Target Name Type Reference
LAC LAC.MM.EWN Edinger-Westphal Nucleus excitatory-glu Effect of light on pupil diameter (OPN -> EW)
NSA NSA.FD.LGN Lateral Geniculate Nucleus excitatory-glu (unknown reference)

Thirdparty Circuits


DMH=Dorsomedial Hypothalamic Nucleus,LAC.FD.HT.DM
EW=Edinger-Westphal Nucleus,LAC.MM.EWN
GC=Ciliary Ganglion,LAC.PN.PSYM.CLG
IML=Ciliospinal Center,LAC.SC.IZ.CSC
LC=Locus Coeruleus,LMC.HT.LC
OPN=Pretectal Olivary Nucleus,LRC.MM.PT.PON
PVN=Paraventricular Nucleus,LAC.FD.HT.PV
RET=Retinal Nucleus,LPC.FD.RT
SCG=Superior Cervical Ganglion,LAC.PN.SYM.SCG
SCN=Suprachiasmatic Nucleus,LAC.FD.HT.SCN