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Adrenal gland - class-XII
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The secretion of aldosterone by adrenal cortex is directly controlled by
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A
Plasma $K^{+}$ concentration
💡 Explanation:
Aldosterone secretion is primarily regulated by the renin-angiotensin-aldosterone system (RAAS) and directly by plasma potassium (K+) concentration. An increase in plasma K+ directly stimulates the adrenal cortex to release aldosterone.