The Synapse AXon produce voltage pulse called action potential(AP) Need arrival of more than one aP to trigger synapse Synapse releases neurotransmitters when AP is raised sufficiently Neurotransmitters diffuse across the gap chemically 0 activating dendrites on the L neurotransmitter.0 o other side 00,0 synaptic dett Some synapses pass a neurotransmitter large signal across, whilst others allow very little dendrite through5 The Synapse • Axon produce voltage pulse called action potential (AP). • Need arrival of more than one AP to trigger synapse. • Synapse releases neurotransmitters when AP is raised sufficiently. • Neurotransmitters diffuse across the gap chemically activating dendrites on the other side. • Some synapses pass a large signal across, whilst others allow very little through