An electrophysiological analysis of the storage of acetylcholine in preganglionic nerve terminals

Abstract
1. An electrophysiological analysis has been made of the storage of acetylcholine (ACh) in the preganglionic nerve terminals of the isolated superior cervical ganglion of the guinea-pig. The mean amplitude of excitatory post-synaptic potentials recorded intracellularly was taken as a measure of the ACh output per impulse from the terminals of a preganglionic axon.