Presynaptic Ca2+ membranę
Synaptic
terminal
Postsynaptic
membranę
Synaptic containing transmitter molecules
Synaptic
cleft
(closed)
Presynaptic
celi
Postsynaptic
celi
Neurotransmitter
Receptor
Postsynaptic
membranę
lon channel protein
Part of
degraded
neurotransmitter