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Midterm: Anatomy of the Central Nervous System > Spinal Cord Tracts and Functions > Flashcards

Spinal Cord Tracts and Functions Flashcards

1
Q

E

A

Lamina IX

(Motor neurons & interneurons)

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2
Q

L

A

Medial Longitudinal Fasciculus

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3
Q

C

A

Lamina VII: Clarke’s nucleus & Intermediolateral column

(Mostly autonomic processing)

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4
Q

E

A

Lateral Corticospinal Tract

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5
Q

C

A

Dorsolateral Tract of Lissauer

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6
Q

Anterior Corticospinal Tract

A

Uncrossed minority of pyramidal tract (mostly bilateral axial muscles)

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7
Q

Posterior Spinocerebellar Tract

A

Proprioception from Clarke’s nucleus

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8
Q

A

A

Gracile Tract

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9
Q

Lateral Corticospinal Tract

A

Primary descending motor control

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10
Q

D

A

Lamina VIII

(Motor neurons & interneurons)

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11
Q

K

A

Anterior Corticospinal Tract

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12
Q

Anterior Spinocerebellar Tract

A

Crossed proprioceptive and processed information. Goes to cerebellum through the superior cerebellar peduncle

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13
Q

Medial Reticulospinal Fibers

A

Pain modulation, visceromotor control, regulation of muscle tone

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14
Q

Lateral Vestibulospinal Fibers

A

Mediates balance and posture

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15
Q

A

A

Lamina II: Substantia gelantinosa

(Receives sensory inputs)

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16
Q

H

A

Spinothalamic Tract

17
Q

J

A

Lateral Vestibulospinal Fibers

18
Q

Dorsolateral Tract of Lissauer

A

Pain up/down a few segments

19
Q

Cuneate Tract

A

Tactile from upper half of body

20
Q

I

A

Medial Reticulospinal Fibers

21
Q

B

A

Cuneate Tract

22
Q

Gracile Tract

A

Tactile from lower half of body

23
Q

Spinothalamic Tract

A

Pain, coarse touch, temp

24
Q

B

A

Laminae III & IV: Nucleus proprius

(Receives sensory inputs)

25
Q

MLF

A

Upper axial and head position

26
Q

Receives propioceptive input, primarily from the leg

A

Clarke’s Nucleus

27
Q

Contains sympathetic preganglionic neurons

A

Intermediolateral Cell Column (Lateral Horn)

Midterm: Anatomy of the Central Nervous System (12 decks)

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