Definitions for "Angiotensin II"
A chemical involved in the renin-angiotensin aldosterone system (RAAS), which plays a key role in blood pressure regulation. A high level of angiotensin II is responsible for narrowing blood vessels and raising blood pressure.
Small peptide from plasma globulin, angiotensinogen. Powerful vasoconstrictor and increases sodium reabsorption, partially through stimulation of release of aldosterone, and stimulates thirst. See also renin-angiotensin system, ACE.
a potent vasopressor agent formed from angiotensin I