Major Pathways Flashcards

1
Q

Medial Leminscus

A
  • prop/vib/2pt tact from opp 1/2 bosy

- at upper pons & midbrain also has i/l tongue and pharynx info

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2
Q

Trigeminal Lemniscus

A
  • p/T/crude tactile from opp 1/2 face

- btwn ML and SL

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3
Q

Lateral Lemniscus

A
  • b/l auditory, mostly from opp ear

- @ lateral aspect of brainstem

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4
Q

Medial Longitudinal Fasciculus

A
  • vestibular info to CNs III, VI, and IV
  • contain occulomotor system
  • next to midline & ant to central gray
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5
Q

Corticospinal Tract

A
  • descending motor info

- forms pyramids in medulla

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6
Q

Corticobulbar Tract

A
  • fibers innervate brainstem CN motor nuclei
  • u/l lesion = denervation below level
  • i/l lesion = contralateral supranuclear facial palsy
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7
Q

Spinal Lemniscus

A
  • p/T from opp 1/2 body

- lat or post to ML

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