plays a role in control of the time course of release. We demonstrate here that the
presynaptic M 2 receptor at the frog neuromuscular junction is indeed involved in control of
the time course of release. Furthermore, we check one of the consequences of the
hypothesis outlined above (Parnas et al. 2000). Specifically, the hypothesis predicts that
after evoked … In this study, experiments were designed to test the possibility that …