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PHYSL.

  1. 1st step
    Motor neuron AP -->

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  2. 2nd step
    Ca+2 enters VG channels.
  3. 3rd step.
    ACh Release
  4. 4th step.
    ACh binding opens ion channels.
  5. 5th step.
    Na+ entry.
  6. 6th step.
    Local current between depolarized end plate & adjacent muscle plamsma membrane.
  7. 7th step.
    Muscle fiber AP initiation.
  8. 8th step.
    Propagated action potential in muscle plasma membrane.
  9. 9th (final) step.
    ACh degradation.

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Author
xiongav
ID
136041
Card Set
PHYSL.
Description
Neuromuscular Junction.p.261
Updated

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