has part has part has_part characteristic of has modifier part of decreased circulating hormone level decreased angiotensin II level abnormal circulating angiotensin II level decreased circulating angiotensin II level 2020-12-22T14:07:10Z decreased plasma angiotensin II level reduced plasma angiotensin II level MPheno.ontology reduced concentration in the blood 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:0031231 decreased serum angiotensin II level reduced circulating angiotensin II level reduced serum angiotensin II level abnormal decreased amount angiotensin II blood