The problems associated with the pharmacologic and physiologic regulation of neuromuscular transmission and of the morphofunctional organization of neuromuscular junctions have attracted a wide range of investigators. Numerous handbooks, monographs, and reviews are devoted to this subject. At the same time, many fundamental and applied aspects of this trend continue to progress succesfully. In recent years, new experimental and clinical data on the structure and function of neuromuscular junctions have been gained, and new, more perfect neuromuscular blocking agents have been designed. It is...