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[Acid-excreting activity of the kidneys in dogs administered ammonium chloride into the carotid artery].

Injection of 0.5 mM of ammonium chloride into the dog carotid artery caused no changes in the blood acid-base balance, but distinctly increased the urinary excretion of both titratable acids and active hydrogen ions. The rate of glomerular filtration was slightly increased. The amount of sodium reabsorbed in the tubules was also risen. The role of humoral factors stimulating the renal acid-excreting activity, is discussed.