期刊名称：Proceedings of the National Academy of Sciences
印刷版ISSN：0027-8424
电子版ISSN：1091-6490
出版年度：1974
卷号：71
期号：3
页码：923-926
DOI：10.1073/pnas.71.3.923
语种：English
出版社：The National Academy of Sciences of the United States of America
摘要：The inhibition by Mg++ of stimulus-evoked transmitter release is attributed to a decrease in surface potential, {Psi}0, on the outer surface of the presynaptic terminal and hence a lower surface calcium concentration, [Ca++]0. Data on the frog neuromuscular junction are quantitatively fit by assuming that there is a negative charge density, {sigma
