Word: angiotonin
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Dates: during 1941-1941
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...series of ingenious experiments, researchers found renin, an organic chemical manufactured by the kidneys, which raised the blood pressure of animals. They also found an activator in the blood plasma which enabled renin to work. The combination of renin and this activator was dubbed angiotonin. As a working hypothesis, angiotonin was marked as the chemical cause of high pressure. Further experiments showed that normal kidneys probably manufacture an "inhibitor" substance, which destroys or neutralizes surplus angiotonin, keeps the pressure within normal bounds. Two research teams, including Dr. Page's in Indianapolis, recovered from kidney extract inhibitors which lowered...
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