has part has part has_part characteristic of has modifier decreased hormone level abnormal angiotensin II level decreased angiotensin II level 2020-12-22T13:45:02Z reduced concentration of angiotensin II, a vasoactive octapeptide produced by the action of angiotensin-converting enzyme on angiotensin I; it acts directly on vascular smooth muscle as a potent vasoconstrictor, affects cardiac contractility and heart rate through its action on the sympathetic nervous system, and alters renal sodium and water absorption through its ability to stimulate the zona glomerulosa cells of the adrenal cortex to synthesize and secrete aldosterone MP:0031228 MPheno.ontology reduced angiotensin II level abnormal decreased amount angiotensin II