BrainCenterHL SN

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Myelencephalic Sensory Nuclei

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This page covers biological details of component group Myelencephalic Sensory Nuclei. Component group is part of aHuman target integrated biological model.

  • Top-down path to center: Hindbrain Myelencephalon -> Myelencephalic Sensory Nuclei (HL.SN) (see Mind Maps)
  • Function:




Component items:

  • Cochlear Nucleus (LPC.HL.COCH): Divergence in representation of auditory information
  • Trigeminal Sensory Nuclei (HL.TGS)
  • Spinal Sensory Nuclei (HL.SS)
    • Cuneate Nucleus (LPC.HL.CU): Carry fine touch and proprioceptive information from upper body
    • Gracile Nucleus (LPC.HL.GR): Carry epicritic, kinesthetic, and conscious proprioceptive information from lower body
    • Accessory Cuneate Nucleus (LPC.HL.ACU): receives input from cervical spinal nerves and transmits that information to cerebellum
    • Inferior Olivary Nucleus (LLC.HL.IO): Proprioception Relay from Spinal Cord to Cerebellum
  • Solitary Nucleus (LPC.HL.SOL): Carry taste buds, thoracic and abdominal viscera
  • Arcuate Nucleus of Medulla (LLC.HL.ARC): Relay cardiorepriratory proprioception to cerebellum



Internal Regions Connections:

  • no connections

External Connections:


External Inbound Center Connections:

Source Center Reference
Posterior/Dorsal Horn (BMA.SC.PH) (unknown reference)
Amygdala (FAM.FT.AM) (unknown reference)
Central Extended Amygdala (FAM.FT.CEAM) (unknown reference)
Thalamus (FD.TH) (unknown reference)
Metencephalic Sensory Nuclei (HT.SN) Eye blink reflex and pupillary light reflex (PrincipalTrigeminal -> SpinalTrigeminal)
Red Nucleus (LLC.MM.RD) (unknown reference)
Dorsal Root Ganglia (LPC.PN.SG.DRG) (unknown reference)
Reflexes Nuclei of Midbrain Mesencephalon (MM.REF) (unknown reference)
Anterior Parietal Cortex (NC.PG.APC) (unknown reference)
Sensory Exteroception Ganglia (PN.SG.SE) Auditory System in Brain (CochleaGanglion -> Cochlea, abstract)
Sensory Interoception Ganglia (PN.SG.SI) (unknown reference)
Intermediate Zone (SC.IZ) (unknown reference)
Anterior/Ventral Horn (SC.VH) (unknown reference)

External Outbound Center Connections:

Target Center Reference
Hypothalamus (FD.HT) (unknown reference)
Thalamus (FD.TH) (unknown reference)
Myelencephalic Motor Nuclei (HL.MN) (unknown reference)
Medullary Reticular Formation (HL.RF) (unknown reference)
Metencephalic Motor Nuclei (HT.MN) (unknown reference)
Pontine Reticular Formation (HT.RF) Amygdalar disruption of prefrontal cortex (SOL -> PB)
Metencephalic Sensory Nuclei (HT.SN) Five Parallel Auditory Pathways (OC -> VNLL, abstract)
Cerebellar Complex (LLC.HT.CRC) (unknown reference)
Perhipheral Nuclei of Midbrain Mesencephalon (MM.PER) Eye blink reflex and pupillary light reflex (SpinalTrigeminal -> Oculomotor)
Reflexes Nuclei of Midbrain Mesencephalon (MM.REF) (unknown reference)