BrainCenterHT MN
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Metencephalic Motor Nuclei
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This page covers biological details of component group Metencephalic Motor Nuclei. Component group is part of aHuman target integrated biological model.
- Top-down path to center: Hindbrain Metencephalon -> Metencephalic Motor Nuclei (HT.MN) (see Mind Maps)
- Function:
(generated)
Components
(generated)
Component items:
- Facial Motor Nucleus (LPC.HT.FCM): Control of face
- Trigeminal Motor Nucleus (LPC.HT.TRM): Muscles of first branchial arch
- Abducens Nucleus (LPC.HT.ABD): Conjugated movements of both eyes
- Barrington's Nucleus (LAC.HT.BR): Supraspinal regulation of urination
- Kolliker-Fuse Nucleus (LRC.HT.KFN): Control of protruder tongue muscles contraction to maintain respiration
- Nucleus Subceruleus (LRC.HT.NSC): Tongue control
Connectivity
(generated)
Internal Regions Connections:
| Source Region | Target Region | Reference |
| Facial Motor Nucleus (LPC.HT.FCM) | Abducens Nucleus (LPC.HT.ABD) | Eye blink reflex and pupillary light reflex (Facial -> Abducens) |
External Connections:
External Inbound Center Connections:
| Source Center | Sample Link | Reference |
| Central canal (AVA.SC.CC) | LAC.SC.CC.DCN -> LAC.HT.BR | (unknown reference) |
| Myelencephalic Sensory Nuclei (HL.SN) | LRC.HL.TGS.PA5 -> LPC.HT.FCM | (unknown reference) |
| Pontine Reticular Formation (HT.RF) | LRC.HT.PRF.RPO -> LPC.HT.ABD | Vestibulo-ocular reflex (VOR) (PPRF -> Abducens, abstract) |
| Periaqueductal Gray Matter (LMC.MM.PAG) | LMC.MM.PAG -> LAC.HT.BR | Schematic overview of spinobulbospinal micturition reflex pathway (PAG -> BAR) |
| Vestibular Nuclei (LPC.HT.VBN) | LPC.HT.MVBN -> LPC.HT.ABD | (unknown reference) |
| Perhipheral Nuclei of Midbrain Mesencephalon (MM.PER) | LPC.MM.MSTR -> LPC.HT.TRM | (unknown reference) |
| Reflexes Nuclei of Midbrain Mesencephalon (MM.REF) | LRC.MM.SC.DEEP -> LPC.HT.ABD | Retina and superior colliculus targets (SC -> Abducens, abstract) |
| Mesencephalic Reticular Formation (MM.RF) | LRC.MM.CNF -> LRC.HT.KFN | (unknown reference) |
External Outbound Center Connections:
| Target Center | Sample Link | Reference |
| Hippocampal Formation (FMM.FT.HF) | LRC.HT.NSC -> FMM.FT.HC.DG | (unknown reference) |
| Myelencephalic Motor Nuclei (HL.MN) | LRC.HT.KFN -> LPC.HL.HYG | (unknown reference) |
| Perhipheral Nuclei of Midbrain Mesencephalon (MM.PER) | LPC.HT.ABD -> LPC.MM.OCN | Vestibulo-ocular reflex (VOR) (Abducens -> Oculomotor) |
| Intermediate Zone (SC.IZ) | LAC.HT.BR -> LAC.SC.IZ.IML | (unknown reference) |
| Anterior/Ventral Horn (SC.VH) | LAC.HT.BR -> LPC.SC.VH.ONF | Schematic overview of spinobulbospinal micturition reflex pathway (BAR -> ONF) |
| Face (TARGET.TEA.FACE) | LPC.HT.FCM -> TARGET.TEA.FACE | (unknown reference) |
| Mouth feeder (TARGET.TEA.FEEDER) | LPC.HT.FCM -> TARGET.TEA.FEEDER | (unknown reference) |
| Ear (TARGET.TSA.EAR) | LPC.HT.FCM -> TARGET.TSA.EAR | (unknown reference) |
| Eye (TARGET.TSA.EYE) | LPC.HT.ABD -> TARGET.TSA.EYE | Eye blink reflex and pupillary light reflex (Abducens -> EYE) |
| Nose (TARGET.TSA.NOSE) | LPC.HT.FCM -> TARGET.TSA.NOSE | (unknown reference) |
