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my Veterinary Neuroscience > Spinal Pathways - summary Dr. Johnson > Flashcards

Spinal Pathways - summary Dr. Johnson Flashcards

1
Q

Dorsal Col.-Med. Lemnis

A 
Type: Ascending
Origin: DRG collaterals
Spinal Location: Dorsal Funiculus
Spinal Laterality: Ipsilateral
Supraspinal Termination: Gracile or Cuneate Nuc.
Function: Tactile and Conscious Proprio.
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2
Q

Spinocervicothalamic

A

Type: Ascending
Origin: Dorsal Horn
Spinal Location: Lateral Funiculus
Spinal Laterality: Ipsilateral
Supraspinal Termination: Second Cervical Segment
Function: SD Pain, Tactile, Conscious Prop.

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3
Q

Lateral Spinothalamic

A 
Type: Ascending
Origin: Dorsal Horn
Spinal Location: Lateral Funiculus
Spinal Laterality: Contralateral
Supraspinal Termination: VCL (VPL) Thalamus
Function: SD Pain, Temperature
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4
Q

Medial Spinothalamic

A 
Type: Ascending
Origin: Dorsal Horn
Spinal Location: Ventral Funiculus
Spinal Laterality: Bilateral
Supraspinal Termination: Medial Thalamus
Function: MA Pain
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5
Q

Spinoreticular

A 
Type: Ascending
Origin: Dorsal Horn
Spinal Location: Lateral Funiculus
Spinal Laterality: Bilateral
Supraspinal Termination: Medial Thalamus
Function: MA Pain
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6
Q

Dorsal Spinocerebellar

A 
Type: Ascending
Origin: Dorsal Horn
Spinal Location: Lateral Funiculus
Spinal Laterality: Ipsilateral
Supraspinal Termination: Cerebellum
Function: Unconscious Propriocept.
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7
Q

Ventral Spinocerebellar

A 
Type: Ascending
Origin: Dorsal Horn
Spinal Location: Lateral Funiculus
Spinal Laterality: Contralateral
Supraspinal Termination: Cerebellum
Function: Spinal CPG Monitoring
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8
Q

Corticospinal (bulbar

Corticobulbar pathway axons serving as UMNs to the muscles in the
head terminate in the motor nuclei of the cranial nerves in the brainstem

A

Type: Descending
Origin: Motor Cortex
Spinal Location: Lateral Funiculus
Spinal Laterality: Contralateral
Spinal Termination: Distal Limb LMN Pools/CPG
Function: Facil. Flexion, Inhib. Extension

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9
Q

Rubrospinal

A

Type: Descending
Origin: Red Nucleus
Spinal Location: Lateral Funiculus
Spinal Laterality: Contralateral
Spinal Termination: Forelimb LMN Pools/CPG
Function: Facil. Flexion, Inhib. Extension

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10
Q

Lateral Vestibulospinal

A

Type: Descending
Origin: Lat. Vestib. Nuc.
Spinal Location: Ventral Funiculus
Spinal Laterality: Ipsilateral
Spinal Termination: Prox. /axial LMN Pools/CPG
Function: Facil. Extension, Inhib. Flexion

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11
Q

Medullary Reticulospinal

A

Type: Descending
Origin: Medull.Retic.Form.
Spinal Location: Ventral Funiculus
Spinal Laterality: Bilateral
Spinal Termination: Prox./axial LMN Pools/CPG
Function: Facil. Flexion, Inhib. Extension

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12
Q

Tectospinal

A 
Type: Descending
Origin: Rostral Colliculus
Spinal Location: Ventral Funiculus
Spinal Laterality: Contralateral
Spinal Termination: Prox./axial LMN Pools/CPG
Function: Visual/Audit Startle Reflexes
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my Veterinary Neuroscience (6 decks)

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