The combination of renin and this activator was dubbed angiotonin.
Page modestly dismisses as still an unproved experiment his own discoverya kidney extract injected to counteract angiotonin (PTI, March 3, 1941)although it has effected .
They have synthesized angiotonin II, the active form of the hormone angiotonin (discovered by Page in 1939), which sends blood pressure zooming when injected.