Neuro #21.txt

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Author:
kepling
ID:
76029
Filename:
Neuro #21.txt
Updated:
2011-03-29 18:26:08
Tags:
Neuro
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Description:
Neuro #21
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  1. What A supplies the postcentral gyrus?
    MCA
  2. What A provides the Posterior Paracentral lobule?
    ACA (specifically the callosomarginal A)
  3. What are the 2 proprioceptors of the Posterior column-medial lemniscus system (PCMLS)?
    • GTOs
    • muscle spindles
  4. Where in the lumbar SC does the central process neuron enter?
    posterior root entry zone, medial portion (since there is no fasciculus cuneatus below T6)
  5. What part of your spinal column provides you upper thorax, neck and upper extremity?
    Cuneatus
  6. What part of your spinal column provides your lower thorax, abdomen, pelvis and LE?
    Gracilis
  7. What A supplies your fasciculus gracilis/cuneatus in the SC?
    Posterior spinal A
  8. What fibers link the fasciculus gracilis/cuneatus with the medial lemniscus?
    internal arcuate fibers
  9. What is astereognosis?
    Inability to recognize objects
  10. What areas are occluded to cause Astereognosis?
    • Parietal association cortex (BA 5, 7)
    • Secondary somatosensory cortex (SII)

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