Steps in which a presynaptic neuron signals a postsynaptic neuron
Réussis tes devoirs et examens dès maintenant avec Quizwiz!
step 1
action potential arrives at axon terminal
step 5
binding of neurotransmitter opens ion channels, resulting in graded potentials.
step 3
ca+ entry causes synaptic vesicles to release their neurotransmitters by exocytosis
step 4
neurotransmitter diffuses across synaptic cleft and binds to specific receptors on the postsynaptic membrane
step 6
neurotransmitter effects are terminated
step 2
voltage gated ca+ channels open. ca+ enters axon terminal