Telodendron

A telodendron is one of the branches of the axon of a neuron as it approaches the synapse with another nerve cell or muscle fiber.

                        Neuron                         
            
                        @@@@@@       
                    @@@@      @@@@   
                  @@              @@ 
                 @                  @
      Soma ----- @                  @
                 @                  @
                  @@              @@
                    @@@@      @@@@
                        @@@@@@
                         @@@@
                          @@
                          @@
                           @
                           @
                Axon ----- @
                           @
                          @@
                          @@
                          @@
                          @
                         @@
                        @@@@
                        @@ @@
                       @@   @@@
                       @@     @@
    Telodendrons ----  @       @@
                      @@       @@
                      @@        @
                      @@        @

The growth of new telodendrons is thought to play a role in neuroplasticity and associative memory.