Modulation of canine antral circular smooth muscle by acetylcholine, noradrenaline and pentagastrin.


1. The effects of acetylcholine, noradrenaline and pentagastrin on the action potential of canine antral circular muscle were determined using the intracellular micro-electrode technique. 2. Acetylcholine increased the amplitude and duration of the plateau potential of the action potential. Since these effects were blocked by atropine but not by… (More)


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