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How do signals cross a synapse

  1. action potential arrives at post synaptic terminal 2. voltage gated calcium channels open 3. calcium enters presynaptic neuron and move to neurotransmitter vesicles 4. vesicles move to membranes and dock 5. exocytosis releases neurotransmitters into synapse 6. neurotranmitters diffuse across synapse and bind to postsynaptic receptors 7. sugnal intiated in postsynaptic membrane
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