BrainRegionLAC FD HT SCN

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Suprachiasmatic Nucleus

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

  • Top-down path to region: Forebrain Diencephalon -> Hypothalamus (FD.HT) -> Anterior Hypothalamus Area (LAC.FD.HT.AHT) -> Chiasmatic Area (LAC.FD.HT.CHS) -> Suprachiasmatic Nucleus (LAC.FD.HT.SCN) (see Mind Maps)
  • Type: nucleus
  • Brain area: Lower Brain - Autonomous Control Area
  • Role: processor.autonomic
  • Function: Regulate the circadian cycle, 24-hour rhythms

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Components

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Component items:

  • Dorsomedial Suprachiasmatic Nucleus
  • Ventrolateral Suprachiasmatic Nucleus
  • Ventral Suprachiasmatic Nucleus

Connectivity

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LAC.FD.HT.SCN.dot.png

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 -> SCN)
LPC.FD.TH.PV Paraventricular Nucleus of Thalamus excitatory-glu (unknown reference)

Outbound Region Connections:

Target Area Target Region Target Name Type Reference
LAC LAC.FD.HT.DM Dorsomedial Hypothalamic Nucleus excitatory-glu Intrahypothalamic connections important for neural control of food intake and energy balance (SCH -> DMN)
LAC.FD.HT.PV Paraventricular Nucleus excitatory-glu Food-entrainable circadian oscillator (SCN -> PVH)
LRC LRC.MM.PT.NOT Nucleus of Optic Tract excitatory-glu (unknown reference)

Thirdparty Circuits

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References

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