SCI 3

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Author:
elementsninja
ID:
305774
Filename:
SCI 3
Updated:
2015-07-28 18:28:36
Tags:
SCI
Folders:
SCI 3
Description:
SCI 3
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  1. pathway Spinal cord receives from PNSĀ  info and sends to brain.
    • Sensory
    • afferent (asending)
  2. the pathway from brain through spinal cord to PNS. Cauda equina exits after end of spinal cord.
    • Motor nerves
    • efferent (descending)
  3. blank is bundles of myelinated axons of both sensory and motor. These are the axons that carry the information quickly to the cell bodies, dendrites and terminals,
    The white matter
  4. cell bodies, dendrites and terminals, in effect the synapses which are all located in the?
    gray matter
  5. loss of voluntary muscle control below level of injury
    spastic paralysis
    hyperactive reflexes (reflex arcs intact but no longer mediated by brain)injury sustained before the spinal roots
    UMN injury
  6. spinal nerves affected after exit from cord
    no reflex arc since impulses cannot enter the cord
    voluntary muscle loss below level of injury
    flaccid paralysis
    absent reflexes
    LMN injury

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