Abstract
Summary
Transient renal responses to close arterial instantaneous injections of NaH2PO4 and creatinine were studied in phosphate-loaded dogs. The increment of phosphate excretion per unit injected per one circulation of injected substance was greater than that of creatinine. Such a finding, interpreted as net minimal secretion of phosphate into the renal tubule, was found in 8 consecutive experiments.
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