Laboratory of Neurobiology,Department of Biological Sciences and Biotechnology,Tsinghua University,Beijing 100084,China;
Laboratory of Neurobiology,Department of Biological Sciences and Biotechnology,Tsinghua University,Beijing 100084,China;
Laboratory of Neurobiology,Department of Biological Sciences and Biotechnology,Tsinghua University,Beijing 100084,China;
Laboratory of Neurobiology,Department of Biological Sciences and Biotechnology,Tsinghua University,Beijing 100084,China;
spontaneous secretion; Xenopus myocytes; acetylcholine (ACh); extracellular Ca2+; ryanodine; intracellular Ca2+;