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Sensory Pathways

Last updated on Tuesday, July 9 2013 by jdmiles

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Sensory Pathways

This section introduces spinal cord anatomy, and discusses the anatomy of the various pathways that bring sensory information from the skin and body back to the central nervous system. 

Terminology:
By the end of this section, make certain that you understand what each of these terms mean, and can apply them appropriately.  If applicable, make sure you can find each item on a whole brain, brain section, or image of a brain.

  • proprioception
  • discriminative touch
  • vibration sense
  • stereognosis
  • astereognosis
  • dorsal root ganglion
  • fasciculus cuneatus
  • dorsal columns
  • dorsal funiculus
  • fasciculus gracilis
  • nucleus gracilis
  • nucleus cuneatus
  • somatotopy
  • decussation
  • internal arcuate fibers
  • sensory decussation
  • medial lemniscus
  • superior parietal lobule
  • ventral posterolateral nucleus (VPL)
  • primary somatosensory cortex
  • somatosensory cortex 1
  • Brodmann areas 3, 1, & 2
  • somatosensory association cortex
  • Brodman areas 5 & 7
  • dorsolateral fasciculus of Lissauer
  • lateral spinothalamic tract
  • Anterolateral spinothalamic tract or system
  • Rexed lamina
  • Spinoreticular tract
  • propriospinal tract
  • ventral white commissure
  • middle cerebellar peduncle
  • somatosensory area 2
  • dorsomedial nucleus of the thalamus (DM)
  • anterior cingulate gyrus 
  • anterior insularcortex
  • visceral pain
  • somatic pain
  • intractable pain
  • analgesia
  • substantia gelatinosa
  • syringomyelia

 

 

 


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