week 3
Synapse
, When an action potential arrives at the presynaptic terminal bouton,
depolarization opens voltage-gated Ca2+ channels
in the plasma membrane. Ca2+ enters the cytoplasm and binds to a Ca2+
sensor protein, termed synaptotagmin,
anchored to the synaptic vesicle membrane
Synapse
, When an action potential arrives at the presynaptic terminal bouton,
depolarization opens voltage-gated Ca2+ channels
in the plasma membrane. Ca2+ enters the cytoplasm and binds to a Ca2+
sensor protein, termed synaptotagmin,
anchored to the synaptic vesicle membrane