Synaptic transmission

• Action potential travels


  1. Along the axon of the transmitting neuron

  2. To the dendrites
• Nerve-ending of the pre-synaptic neuron releases neurotransmitters


  From synaptic vesicles
• Neurotransmitters diffuse


  1. Across the synapse

  2. Bind with receptor sites

  3. Bind with the membrane of the post-synaptic neuron
• Neurotransmitter is reabsorbed


  1. Back into the pre-synaptic neuron

  2. Broken down by enzyme
• REUPTAKE


  Some of the neurotransmitter is reabsorbed back into the pre-synaptic neuron or is broken down