BrainCenterHL MN
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Myelencephalic Motor Nuclei
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This page covers biological details of component group Myelencephalic Motor Nuclei. Component group is part of aHuman target integrated biological model.
- Top-down path to center: Hindbrain Myelencephalon -> Myelencephalic Motor Nuclei (HL.MN) (see Mind Maps)
- Function:
(generated)
Components
(generated)
Component items:
- Expiratory Center (HL.RC)
- Ambiguus Nucleus (LPC.HL.AMB): Control muscles of the soft palate, pharynx, and larnyx
- Retroambigualis Nucleus (LRC.HL.RA): Groups of premotor interneurons producing detailed motor actions
- Hypoglossal Motor Nucleus (LPC.HL.HYG): Control of tongue
- Intercalated Nucleus of Medulla (LRC.HL.INM): Coordinate tongue movements, vestibuloocular reflex
- Prepositus Nucleus (LRC.HL.NPH): Integrate PPRF phasic signal to provide tonic signal of abducens
Connectivity
(generated)
Internal Regions Connections:
| Source Region | Target Region | Reference |
| Prepositus Nucleus (LRC.HL.NPH) | Intercalated Nucleus of Medulla (LRC.HL.INM) | (unknown reference) |
| Retroambigualis Nucleus (LRC.HL.RA) | Ambiguus Nucleus (LPC.HL.AMB) | (unknown reference) |
External Connections:
External Inbound Center Connections:
| Source Center | Reference |
| Myelencephalic Sensory Nuclei (HL.SN) | (unknown reference) |
| Metencephalic Motor Nuclei (HT.MN) | (unknown reference) |
| Pontine Reticular Formation (HT.RF) | Vocal Control (RF -> NucleusAmbiguus, abstract) |
| Pontine Tegmental Nuclei (HT.TG) | Head Direction Cell Circuit (DTN -> NPRP) |
| Periaqueductal Gray Matter (LMC.MM.PAG) | (unknown reference) |
| Vestibular Nucleus (LPC.HT.VBN) | (unknown reference) |
| Motor Cortex (NMA.NC.MC) | (unknown reference) |
External Outbound Center Connections:
| Target Center | Reference |
| Hypothalamus (FD.HT) | (unknown reference) |
| Thalamus (FD.TH) | Head Direction Cell Circuit (NPRP -> SUPGEN) |
| Pontine Tegmental Nuclei (HT.TG) | (unknown reference) |
| Reflexes Nuclei of Midbrain Mesencephalon (MM.REF) | (unknown reference) |
| Mesencephalic Reticular Formation (MM.RF) | (unknown reference) |
| Anterior/Ventral Horn (SC.VH) | (unknown reference) |
| Mouth feeder (TARGET.TEA.FEEDER) | (unknown reference) |
| Lung (TARGET.TEA.LUNG) | (unknown reference) |
| Mouth speaker (TARGET.TEA.SPEAKER) | (unknown reference) |
| Nose (TARGET.TSA.NOSE) | (unknown reference) |
