Start: Neuronal action potential reaches the axon terminal of neuron 1 → are
released from the axon terminal by
diffuse across the
and bind to
on the
postsynaptic membrane of neuron 2, generating an excitatory local potential. → If the neuron is
stimulated enough times, the excitatory local potentials
and spread through the
neuron's plasma membrane toward the axon. → When the trigger zone is depolarized to
an
is generated,
which
down the axon until it reaches the axon terminals. → Depolarization of the
axon terminal triggers the opening of
ion channels, and these ions enter the
axon terminal.
are released from the axon terminal by
diffuse across the
and bind to
on the postsynaptic membrane of neuron 3,
generating an excitatory or inhibitory local potential. End