Effect of parathyroid extract on renin release in the dog.
1. A rapid increase in plasma renin activity occurred in dogs after intravenous administration of parathyroid extract. 2. This was not seen after injection of a purer parathormone preparation, or the solution used to dilute the parathyroid extract or calcitonin. 3. A vasoactive compound in parathyroid extract appears to provide the most likely explantation of this effect.
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