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: Relay information related to pain and temperature sensation - C1-C8,T1-T6
  - Lower Marginal Nucleus: 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: Relay for C-fibers of slowly conducting, poorly localized pain sensation - C1-C8,T1-T6
  - Lower Substantia Gelatinosa: 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: Relay light touch, pain and temperature information
Lamina V, VI (BMA.SC.PH.L56)
- Clarke Nucleus: Unconscious Proprioception

Connectivity

(generated)

Internal Regions Connections:

Source Region	Target Region	Reference
Lower Substantia Gelatinosa	Proprius Nucleus	(unknown reference)
Upper Substantia Gelatinosa	Proprius Nucleus	(unknown reference)

External Inbound Center Connections:

Source Center	Reference
Dorsal Root Ganglia	(unknown reference)
Medullary Reticular Formation	(unknown reference)

External Outbound Center Connections:

Target Center	Reference
Lateral Horn/Funiculus	(unknown reference)
Thalamus	(unknown reference)
Myelencephalic Sensory Nuclei	(unknown reference)
Cerebellar Complex	(unknown reference)
Pontine Nuclear Complex	(unknown reference)
Mesencephalic Reticular Formation	(unknown reference)