BrainCenterSC IZ

Intermediate Zone

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This page covers biological details of component group Intermediate Zone. Component group is part of aHuman target integrated biological model.

• Top-down path to center: Spinal Cord -> Intermediate Zone (SC.IZ) (see Mind Maps)
• Function:

(generated)

Components

(generated)

Component items:

• Lamina VII (SC.IZ.L7)
  • Central Cervical Nucleus: Coordinate voluntary movements, maintain balance, and learn motor skills
  • Centrobasalis Nucleus: Unconscious proprioception to CR
  • Intermediomedial Nucleus: Visceral sensory
  • Intermediolateral Column (AVA.SC.IZ.IMLC)
    • Intermediolateral Nucleus: Mediate entire sympathetic innervation of body
    • Ciliospinal Center: Control of iris dilator muscle
    • Sacral Parasympathetic Nucleus: parasympathetic impulses pass via postganglionic fibers to the urinary bladder, erectile tissues, and the smooth muscles and glands in the colon and rectum

Connectivity

(generated)

Internal Regions Connections:

Source Region	Target Region	Reference
Posterior Hypothalamic Nucleus	Ciliospinal Center	Sympathetic and parasympathetic eye pathways (PHT -> CC)
Paraventricular Nucleus	Sacral Parasympathetic Nucleus	(unknown reference)
Barrington's Nucleus	Sacral Parasympathetic Nucleus	Schematic overview of spinobulbospinal micturition reflex pathway (BAR -> SPS)
Raphe Obscurus Nucleus	Intermediomedial Nucleus	(unknown reference)
Locus Coeruleus	Intermediolateral Nucleus	Physiology and pathophysiology of lower urinary tract (LC -> IML)
Lower Dorsal Root Ganglion	Intermediomedial Nucleus	(unknown reference)
Upper Dorsal Root Ganglion	Central Cervical Nucleus	(unknown reference)
	Centrobasalis Nucleus	(unknown reference)
	Intermediomedial Nucleus	(unknown reference)

External Inbound Center Connections:

Source Center	Reference
Dorsal Root Ganglia	(unknown reference)
Medullary Reticular Formation	(unknown reference)
Pontine Reticular Formation	Physiology and pathophysiology of lower urinary tract (LC -> IML)
Hypothalamus	Sympathetic and parasympathetic eye pathways (PHT -> CC)
Barrington's Nucleus	Schematic overview of spinobulbospinal micturition reflex pathway (BAR -> SPS)

External Outbound Center Connections:

Target Center	Reference
Thalamus	(unknown reference)
Medullary Reticular Formation	(unknown reference)
Myelencephalic Sensory Nuclei	(unknown reference)
Cerebellar Complex	(unknown reference)
Vestibular Nucleus	(unknown reference)
Body Parasympathetic Ganglia	Schematic overview of spinobulbospinal micturition reflex pathway (SPS -> PEL)
Paravertebral Sympathetic Ganglia	Sympathetic and parasympathetic eye pathways (CC -> SCG)
Prevertebral Sympathetic Ganglia	(unknown reference)