NMJ & EC Coupling

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Across
  1. 1. The energy molecule in our cells
  2. 3. Neurotransmitters diffuse across this space
  3. 6. The full name for the "SR" in muscle
  4. 7. The divalent cation that stimulates muscle contractions
  5. 8. The thin filament
  6. 9. Fancy name for the plasma membrane of muscle cells
  7. 13. Invaginations of the sarcolemma
  8. 14. The thick filament with 2 heads
  9. 15. Calcium release channel in the SR
  10. 17. Neurotransmitter that "excites" skeletal muscle fibers
  11. 18. Strong depolarization may result in this excitatory event
  12. 19. It exits the spinal cord and communicates with skeletal muscle fibers
Down
  1. 1. Enzyme that breaks down ACh
  2. 2. Neurotransmitters are stored in ______ at the axon terminal
  3. 4. Calcium binds directly to this protein in cross bridge cycling
  4. 5. Located on the motor end plate, fluxes sodium
  5. 9. Ion pump in the SR membrane
  6. 10. Inhibitory protein in the sarcomere
  7. 11. Short name for voltage-gated calcium channels in muscle
  8. 12. The functional contractile unit in skeletal & cardiac muscle
  9. 16. Enzymatic reaction performed by an important ion pump