angiotensin III(redirected from A-III)
Also found in: Acronyms.
A vasoactive heptapeptide less potent than angiotensin II on vascular smooth muscle but approximately equally active in promoting aldosterone secretion.
Farlex Partner Medical Dictionary © Farlex 2012
angiotensin IIIA heptapeptide derived from angiotensin II after angiotensinases in red blood cells and in vascular beds cleave the N-terminal aspartame. Angiotensin III has 40% of A-II’s pressor activity and 100% of its aldosterone-producing activity.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.