1 Diversity and Organization of Excitatory Amino Acid Receptors in the CNS.- 2 Molecular Biology of Glutamate-Gated Channels: Focus on AMPA and Kainate.- 3 From Excitatory Amino Acid Receptors to Long-Term Potentiation: An Insight into the Role of Ca2+.- 4 Evidence that Arachidonic Acid Plays a Role in Long-Term Potentiation.- 5 Glutamate Release by Reversed Glutamate Uptake Is Inhibited by Arachidonic Acid.- 6 Intracellular and Intercellular Messengers Produced by Metabotropic (Qp), AMPA, and NMDA Excitatory Amino Acid Receptors.- 7 Glutamate Receptors, Nitric Oxide, and Cyclic GMP.- 8 Nitric Oxide: A Messenger of Cerebellar Granule Cells.- 9 Protein Dephosphorylation as a Mediator of NMDA Receptor Signal Transduction.- 10 Phosphoinositide-Linked Glutamate Receptors: Prominent Actions in Neurons and Glia.- 11 Neuromodulation of Non-NMDA Class Glutamate Receptor Channels in Hippocampal Neurons.- 12 Regulation of Glial Kainate Receptor Function by Extracellular Ligands and Intracellular Messengers.