2. NERVE TERMINAL Neurotransmitter Synaptic vesicle S-25 brevin taxin tagmin S1 POSTSYNAPTIC RECEPTORS in out PRESYNAPTIC MEMBRANE Ca 2+ CHANNEL Ca 2+ PRIMED VIA A CORE COMPLEX OF 3 SYNAPTIC PROTEINS (THE SNARES) MACHINE FUSION CALCIUM SENSOR

3. FUSION S-25 brevin taxin tagmin MACHINE S1 ACTION POTENTIAL

4. FUSION S-25 brevin taxin tagmin MACHINE S1

5. FUSION S-25 brevin taxin tagmin MACHINE S1

6. FUSION S-25 brevin taxin tagmin MACHINE S1

7. FUSION S-25 brevin taxin tagmin MACHINE S1

8. tagmin S1 S-25 CALCIUM SENSOR ACTIVATED

9. S1

11. SECRETION

12. microelectrode POSTJUNCTIONAL RECEPTORS

13. microelectrode Na+

14. Excitatory synaptic potential microelectrode Na+

15. AP microelectrode Na+

16. End-plate potential (EPP) microelectrode Na+

29. Ca 2+ +X CaX 4CaXrelease Dodge & Rahamimoff slope = 4

34. Poisson distribution