zona glomerulosa
anatomy
Quick Summary
The zona glomerulosa is a layer within the adrenal cortex where aldosterone is produced. Aldosterone is a steroid hormone that acts as the body's primary regulator of salt and water balance, classifying it as a mineralocorticoid. Its production is stimulated by the renin-angiotensin system, which responds to changes in blood pressure, blood volume, and sodium and potassium levels in the plasma. Aldosterone increases the kidneys' retention of sodium and water while promoting the excretion of potassium.12
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