Practically all the chapters in this volume present. It is possible that the cerebral contain new and previously unpublished system has a neurotransmitter role, espe- research reports and reviews on the phys- cially as intracerebral angiotensin-induced iological mechanisms which induce drink- drinking seems to depend on catecholami- ing of non-nutritive fluids. Though based nergic, perhaps dopaminergic, systems. on a Symposium on Thirst we have not However, we were also reminded that called the volume by this title because there are cholinergic drinking systems in thirst as such, a subjective...