尿管の活動電位波形と負傷電位

概要

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Report was made previously that the injury potential changed its value according to the envirommental concentration of K+. As well known, the action potential of the ureter (guinea pig) was consisted of two components, the slow and oscillating spike potentials, which were separable in various conditions. Increase of the concentration of K+ in soaking fluid diminished the slow component of the action potentials. In this case the injury potential was lowered exceedingly. Substitution of Na+ in the soaking fluid by sucrose also decreased the slow potential, but not accompanied by obivious lowerring of the injury potential. Above findings suggest that no close relationship between the slow potential and injury potential existed.
学校法人昭和大学・昭和医学会の論文