Fig. 2.

Nondiabetic (A) and diabetic (B) rat nephron function under differing conditions. T_Na, Na⁺ reabsorption; ${\mathrm{Q}}_{{\mathrm{O}}_{\mathrm{2}}}^{\mathrm{a}\mathrm{c}\mathrm{t}\mathrm{i}\mathrm{v}\mathrm{e}}$, O₂ consumption for active Na⁺ reabsorption. White and colored segments, cortical and medullary values, respectively. Whole kidney values are indicated above the bars.