Mechanism of relaxant action of papaverine. II. Differences between modes of relaxant effects of papaverine and amytal in guinea-pig taenia coli.


Mode of relaxant effect of papaverine on guinea-pig taenia coli was compared with that of amytal, especially in regard to their actions on the calcium movements. The present results provided evidence that the mode of relaxant effect of papaverine differs from that of amytal. Papaverine relaxed the taenia coli even in the Na-free solution although its… (More)


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