BrainCenterBMA SC PH

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Posterior/Dorsal Horn

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This page covers biological details of component group Posterior/Dorsal Horn. Component group is part of aHuman target integrated biological model.

  • Top-down path to center: Spinal Cord -> Posterior/Dorsal Horn (BMA.SC.PH) (see Mind Maps)
  • Function:

(generated)

Components

(generated)


Component items:

  • Lamina I (LPC.SC.PH.L1)
    • Marginal Nucleus (LPC.SC.PH.MG): Relay information related to pain and temperature sensation
      • Upper Marginal Nucleus (LPC.SC.PH.UMG): Relay information related to pain and temperature sensation - C1-C8,T1-T6
      • Lower Marginal Nucleus (LPC.SC.PH.LMG): Relay information related to pain and temperature sensation - T7-T12,L1-L5,S1-S5,CX
  • Lamina II (LPC.SC.PH.L2)
    • Substantia Gelatinosa (LPC.SC.PH.SG): Relay for C-fibers of slowly conducting, poorly localized pain sensation
      • Upper Substantia Gelatinosa (LPC.SC.PH.USG): Relay for C-fibers of slowly conducting, poorly localized pain sensation - C1-C8,T1-T6
      • Lower Substantia Gelatinosa (LPC.SC.PH.LSG): Relay for C-fibers of slowly conducting, poorly localized pain sensation - T7-T12,L1-L5,S1-S5,CX
  • Lamina III, IV (BMA.SC.PH.L34)
    • Proprius Nucleus (LPC.SC.PH.NP): Relay light touch, pain and temperature information
  • Lamina V, VI (BMA.SC.PH.L56)

Connectivity

(generated)


Internal Regions Connections:

unavailable


Source Region Target Region Reference
Lower Substantia Gelatinosa (LPC.SC.PH.LSG) Proprius Nucleus (LPC.SC.PH.NP) (unknown reference)
Upper Substantia Gelatinosa (LPC.SC.PH.USG) Proprius Nucleus (LPC.SC.PH.NP) (unknown reference)

External Connections:

unavailable

External Inbound Center Connections:

Source Center Sample Link Reference
Medullary Reticular Formation (HL.RF) LMC.HL.RP.PL -> LPC.SC.PH.LMG (unknown reference)
Dorsal Root Ganglia (LPC.PN.SG.DRG) LPC.PN.SG.LDRG -> LPC.SC.PH.CL (unknown reference)

External Outbound Center Connections:

Target Center Sample Link Reference
Lateral Horn/Funiculus (BMA.SC.LH) LPC.SC.PH.NP -> LPC.SC.LH.LCV (unknown reference)
Sensory Thalamus (FD.TH.SR) LPC.SC.PH.LMG -> NCP.FD.TH.LI Afferent pain pathways (SC -> Thalamus, abstract)
Myelencephalic Sensory Nuclei (HL.SN) LPC.SC.PH.CL -> LLC.HL.ARC (unknown reference)
Metencephalic Sensory Nuclei (HT.SN) LPC.SC.PH.CL -> LLC.HT.PN.PBB (unknown reference)
Cerebellar Complex (LLC.HT.CRC) LPC.SC.PH.CL -> LLC.HT.CR.PV Afferent pain pathways (SC -> Cerebellum, abstract)
Mesencephalic Reticular Formation (MM.RF) LPC.SC.PH.CL -> LRC.MM.CNF (unknown reference)