BrainRegionLAC FD HT SCN
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
(generated)
Components
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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 | Reference |
| LPC | LPC.FD.RT | Retinal Nucleus | excitatory-glu | Effect of light on pupil diameter (RET -> SCN) |
| NDM | NDM.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.MPO | Median Preoptic Nucleus | excitatory-glu | Intrahypothalamic connections important for neural control of food intake and energy balance (SCH -> MPOA) | |
| LAC.FD.HT.PV | Paraventricular Nucleus | excitatory-glu | Food-entrainable circadian oscillator (SCN -> PVH) | |
| LAC.FD.HT.VLPO | Ventrolateral Preoptic Nucleus | excitatory-glu | (unknown reference) | |
| LRC | LRC.MM.PT.NOT | Nucleus of Optic Tract | excitatory-glu | (unknown reference) |
Thirdparty Circuits
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map: 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
map: 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
map: 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
map: 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
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