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: 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
- Marginal Nucleus (LPC.SC.PH.MG): Relay information related to pain and temperature sensation
- 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
- Substantia Gelatinosa (LPC.SC.PH.SG): Relay for C-fibers of slowly conducting, poorly localized pain sensation
- 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 |
| Raphe Magnus Nucleus | Lower Substantia Gelatinosa | (unknown reference) |
| Upper Substantia Gelatinosa | (unknown reference) | |
| Raphe Pallidus Nucleus | Lower Marginal Nucleus | (unknown reference) |
| Upper Marginal Nucleus | (unknown reference) | |
| Lower Dorsal Root Ganglion | Clarke Nucleus | (unknown reference) |
| Lower Marginal Nucleus | (unknown reference) | |
| Lower Substantia Gelatinosa | (unknown reference) | |
| Proprius Nucleus | (unknown reference) | |
| Upper Dorsal Root Ganglion | Clarke Nucleus | (unknown reference) |
| Proprius Nucleus | (unknown reference) | |
| Upper Marginal Nucleus | (unknown reference) | |
| Upper Substantia Gelatinosa | (unknown 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) |
