THE EFFECT OF d -ALDOSTERONE AND SPIRONOLACTONE ON THE CONCENTRATION OF SODIUM AND POTASSIUM IN THE MILK OF RATS
Reuven Yagil, Zipora Etzion, Geoffrey M. Berlyne
Abstract
Reuven Yagil, Zipora Etzion, Geoffrey M. Berlyne
Abstract
SUMMARY The effects of d-aldosterone and spironolactone on the sodium and potassium concentrations in the milk of rats were determined. d-Aldosterone caused a highly significant fall in the milk sodium concentration and the Na:K ratio when compared with control animals. The administration of spironolactone shortly before aldosterone gave results not significantly different from control animals. It is concluded that aldosterone has a specific sodium-lowering action in the milk of the lactating rat.
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SUMMARY The effects of d-aldosterone and spironolactone on the sodium and potassium concentrations in the milk of rats were determined. d-Aldosterone caused a highly significant fall in the milk sodium concentration and the Na:K ratio when compared with control animals. The administration of spironolactone shortly before aldosterone gave results not significantly different from control animals. It is concluded that aldosterone has a specific sodium-lowering action in the milk of the lactating rat.
Key concepts: Aldosterone, Spironolactone, Endocrinology, Internal medicine, Sodium, Potassium, Chemistry, Mineralocorticoid