PHYSL.

  1. 1st step
    Motor neuron AP -->

  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.

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