Ion Channels in Contact with the External World. The Ways That Ion Channels Open. The Molecular Origin of Voltage Dependence in Ionic Channels, F. Bezanilla, et al. The Conduction Mahcinery of K+ Channels. Thermodynamics of Double Mutant Cycles with the Shaker K+ Channel from the Sea Urchin Sperm in the Speract, P. Labarca, et al. Ion Channels and Volumen Regulation. Anion Channels Involved in Volumen Regulation: A Common Pathway for Chloride and Organic Osmolyte?, A. Stutzin, et al. Signal Transduction. Inhibitory Responses to Odorants in Vertebrate Olfactory Neurons, J. Bacigalupo, et al. Intercellular Channels. Ion Channels that Allow Cells to Gossip. Structure and Function of Cell-to-Cell Channels Purified from the Lens and Hemichannels Expressed in Oocytes, G. Zampighi, et al. Regulation of Gap Junctions. Gap Junctions between Leukocyte and Endothelium: Expression of Connexin 43 in Adherent or Activated Cells, M.P. Boric, et al. Functional Aspects of Gap Junctions. 20 Additional Articles. Index.