Fig. 6. Plot of spontaneous variation in tissue conductance (G_t) versus unidirectional Cl^– flux (J_Cl). There was a linear relationship with r²=0.6692, d.f.=54, a slope of 0.345±0.132 µequiv mS^–1 h^–1 and a y-intercept of –0.91±1.94 µequiv cm^–2 h^–1 (mean ± 95 % confidence limit) that was not significantly different from zero; hence, all Cl^– flux would appear to be conductive. The solid line is the regression equation and the dotted lines are the 95 % confidence limits.

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