Non-cholinergic fast and slow post-stimulus depolarization in the guinea-pig ileum.


Intracellular membrane potential recordings were made from circular muscle cells in the guinea-pig ileum in vitro at 30 degrees C in the presence of atropine (1.4 microM). Following transmural nerve stimulation the inhibitory junction potential (i.j.p.) was followed by a post-stimulus depolarization (p.s.d.). Both were abolished by tetrodotoxin. P.s.d… (More)


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