GI/GU SUMMER 2004

Angiotensin 2 is the most potent stimulant for the release of Aldosterone on the DCT. It causes vessel constriction and retrieval of Na+ and water. RAA system in summary… Low Cl- --> MD cells act on JG cells --> Release of Renin --> Renin binds to Angiotensinogen --> Angiotensin 1 --> Angiotensin 1 goes to lungs --> Binds w/ ACE ... ................
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