The Physiological Significance of Urea: I. The Elasmobranch Heart

作者: W. W. Simpson , Eric Ogden

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摘要: The optimum conditions for the beating of excised dogfish auricle have been investigated. substitution urea in surrounding medium by sucrose, thio-urea, or sodium sulphate iso-osmotic concentrations will not maintain beat. Thio-urea has a toxic effect on rhythm.

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