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An analysis of inhibitory junction potentials in the guinea-pig proximal colon

Hirst, George; Bywater, R; Teramoto, Noriyoshi; Edwards, Frank


Intracellular recordings were made from either sheets or isolated bundles of the circular muscle layer of guinea-pig proximal colon and the responses evoked by stimulating inhibitory nerve fibres were analysed. Inhibitory junction potentials (IJPs), evoked by single stimuli, had two components which could be separated on their pharmacological and temporal characteristics and their voltage sensitivities. The initial component, which was abolished by apamin and reduced in amplitude by...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Journal of Physiology
DOI: 10.1113/jphysiol.2004.065052


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