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M&M NeuroAnatomy > Sensory Pathway > Flashcards

Sensory Pathway Flashcards

1
Q

Sensory modalities

A

Proprioception

Exteroception

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2
Q

Proprioception types

A

Conscious

Unconscious

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3
Q

Exteroception types

A 
Pain
Temperature
Pressure
Vibration
Fine touch
Crude touch
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4
Q

Dorsal horn nuclei

A

Substancia gelatinosa
Nucleus proprius
Dorsal nucleus of Clarke
Visceral Afferent nucleus

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5
Q

Substancia gelatinosa

A

All segments
Pain
Temperature

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6
Q

Nucleus proprius

A

All segments
Crude touch
Pressure

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7
Q

Dorsal nucleus of Clarke

A

C8 > L3

Proprioception

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8
Q

Visceral Afferent nucleus

A

T1 > L3

Visceral sensation

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9
Q

Spinal sensory pathways

A

Gracile and cuneate
Spinocerebellar
Lateral spinothalamic
Ventral spinothalamic

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10
Q

Conscious pathway

A

Gracile and cuneate

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11
Q

Unconscious pathway

A

Spinocerebellar tracts

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12
Q

Pain and temperature spinal pathway

A

Lateral spinothalamic

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13
Q

Fine touch and vibration spinal pathway

A

Gracile and cuneate

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14
Q

Crude touch and pressure spinal pathway

A

Ventral spinothalamic

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15
Q

Neurons of lateral spinothalamic tract

A

Dorsal root ganglia > Substancia gelatinosa > VPL

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16
Q

Neurons of ventral spinothalamic tract

A

Dorsal root ganglia > Nucleus proprius > VPL

17
Q

What’s syringomyelia

A

Widening of the central canal

Bilateral Loss of pain and temperature below

18
Q

Spinothalamic tracts travel ……….. Ipsilaterally and then ………….. the spinal cord in tract of ……………

A

One to two | cross | Lissauer

19
Q

Fasciculus gracilis extension and supply

A

All spinal cord | supply LL + Lower thorax

20
Q

Fasciculus cuneatus extension and supply

A

Start at mid thorax | Supply UL + Upper thorax + Cervical region

21
Q

Neurons of gracile and cuneate

A

Dorsal root ganglia > Gracile and cuneate nuclei > VPL

22
Q

2nd order neurons of gracile and cuneate form

A

Internal arcuate the decussate
Sensory decussation
Ascend as medial leminscus

23
Q

Posterior spinocerebellar tract supply

A

LL + Trunk

24
Q

Anterior spinocerebellar tract supply

A

LL + UL + Trunk

25
Q

Dorsal spinocerebellar tract path

A

Dorsal root ganglia > Dorsal nucleus of Clarke > Ipsilateral lateral white column > Inferior cerebellar peduncle

26
Q

Dorsal spinocerebellar tract does not …………………

A

Cross midline

27
Q

Ventral spinocerebellar tract path

A

Dorsal root ganglia > Dorsal nucleus of Clarke > Contralateral lateral white column > Superior cerebellar peduncle

28
Q

Ventral spinocerebellar tract …….. midline ………..

A

Cross | twice

M&M NeuroAnatomy (2 decks)

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