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What is the effect of aldosterone on kid...

What is the effect of aldosterone on kidneys and where is it produced?

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1. Excessive stretch of cardiac atrial cells cause an increase in blood flow to the atria of the heart and release Atrial Natriuretic Peptide or factor (ANF) travels to the kidney where it increases Na* excretion and increases the blood flow to the glomerulus, acting on the afferent glomerular arterioles as a vasodilator or on efferent arterioles as a vasoconstrictor.
2. It decreases aldosterone release from the adrenal cortex and also decreases release of renin, thereby decreasing angiotensin II.
3. ANF acts antagonistically to the renin angiotensin system, aldosterone and vasopressin.
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