What is the Renin-Angiotensin-Aldosterone System?

What is the Renin-Angiotensin-Aldosterone System?

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By Osman Shabir, M.Sc.Reviewed by Emily Henderson, B.Sc.

The renin-angiotensin-aldosterone system (RAAS), or renin-angiotensin-system (RAS) is a regulator of blood pressure and cardiovascular function. Dysregulated RAAS is implicated in high blood pressure, cardiovascular and kidney conditions, and medications targeting RAAS can improve these conditions.