This symposium entitled Calcium, Neuronal Function and Transmitter Re lease, was in the framework of the regional meeting of the International Union of Physiological Sciences, that took place in Jerusalem between August 26-31, 1984. The symposium dealt with the role of calcium ions in regulation of a large number of important processes in modern neurobiology, from molecular and cellular points of view. In this context, we consider heart and most cells as 'honorary neurons'. The meeting was comprised of lectures and quite intense discussions. We hope that the transcription of the discussions...