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
- Quality: L0
- Brain area: Lower Brain - Autonomous Control Area (LAC)
- Area circuit: Daily Cycle Autonomic Control (LADC)
- Role: processor.autonomic
- Function: Regulate the circadian cycle, 24-hour rhythms
(generated)
Components
(generated)
Component items:
- Dorsomedial Suprachiasmatic Nucleus
- Ventrolateral Suprachiasmatic Nucleus
- Ventral Suprachiasmatic Nucleus
Connectivity
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Inbound Region Connections:
| Source Area | Source Region | Source Name | Type | Role | Reference |
| LPC | LPC.FD.RT | Retinal Nucleus | excitatory-glu | uncertain | Effect of light on pupil diameter (RET -> SCN) |
| NDM | NDM.FD.TH.PV | Paraventricular Nucleus of Thalamus | excitatory-glu | uncertain | (unknown reference) |
Outbound Region Connections:
| Target Area | Target Region | Target Name | Type | Role | Reference |
| LAC | LAC.FD.HT.DM | Dorsomedial Hypothalamic Nucleus | excitatory-glu | uncertain | Intrahypothalamic connections important for neural control of food intake and energy balance (SCH -> DMN) |
| LAC.FD.HT.MPO | Median Preoptic Nucleus | excitatory-glu | uncertain | Intrahypothalamic connections important for neural control of food intake and energy balance (SCH -> MPOA) | |
| LAC.FD.HT.PV | Paraventricular Nucleus | excitatory-glu | uncertain | Food-entrainable circadian oscillator (SCN -> PVH) | |
| LAC.FD.HT.VLPO | Ventrolateral Preoptic Nucleus | excitatory-glu | uncertain | (unknown reference) | |
| LRC | LRC.MM.PT.NOT | Nucleus of Optic Tract | excitatory-glu | uncertain | (unknown reference) |
Thirdparty Circuits
(generated)
- Food-entrainable circadian oscillator - see Reference (CP.FOOD-OCSILLATOR)
DMH=Dorsomedial Hypothalamic Nucleus,LAC.FD.HT.DM LH=Lateral Hypothalamic Nucleus,LAC.FD.HT.LTN NTS=Solitary Nucleus,LPC.HL.SOL PBN=Parabrachial Nucleus,LPC.HT.PRF.PB PVH=Paraventricular Nucleus,LAC.FD.HT.PV SCN=Suprachiasmatic Nucleus,LAC.FD.HT.SCN
- Intrahypothalamic connections important for neural control of food intake and energy balance - see Reference (CL.INTRAHYPOTHALAMIC)
AH=Anterior Hypothalamic Nucleus,LAC.FD.HT.AH ARC=Arcuate Nucleus of Hypothalamus,LAC.FD.HT.AR DMN=Dorsomedial Hypothalamic Nucleus,LAC.FD.HT.DM LHA=Lateral Hypothalamic Nucleus,LAC.FD.HT.LTN MPOA=Median Preoptic Nucleus,LAC.FD.HT.MPO PA=Paraventricular Nucleus,LAC.FD.HT.PV SCH=Suprachiasmatic Nucleus,LAC.FD.HT.SCN SON=Supraoptic Nucleus,LAC.FD.HT.SO VMN=Ventromedial Hypothalamic Nucleus,LAC.FD.HT.VM
- Effect of light on pupil diameter - see Reference (CP.PUPIL-REFLEX)
DMH=Dorsomedial Hypothalamic Nucleus,LAC.FD.HT.DM EW=Edinger-Westphal Nucleus,LAC.MM.EWN EYE=Eye,TARGET.TSA.EYE 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
- Eating and sleeping to survive - see Reference (CP.DMH-CYCLES)
ARC=Arcuate Nucleus of Hypothalamus,LAC.FD.HT.AR DMH=Dorsomedial Hypothalamic Nucleus,LAC.FD.HT.DM LHA=Lateral Hypothalamic Nucleus,LAC.FD.HT.LTN MPO=Median Preoptic Nucleus,LAC.FD.HT.MPO PVH=Paraventricular Nucleus,LAC.FD.HT.PV SCN=Suprachiasmatic Nucleus,LAC.FD.HT.SCN VLPO=Ventrolateral Preoptic Nucleus,LAC.FD.HT.VLPO VMH=Ventromedial Hypothalamic Nucleus,LAC.FD.HT.VM
References
(generated)
