While neurons rapidly propagate information in their interior via electrical signals, they communicate with each other at special contact points known as the synapses. Chemical messenger substances, the neurotransmitters, are stored in vesicles at the synapses. When a synapse becomes active, some of these vesicles fuse with the cell membrane and release their contents. To ensure that valuable time is not lost, synapses always have … Continue reading Scientists identify proteins responsible for synapse-vesicle fusion.