Aldosterone is a steroid hormone synthesized from cholesterol by the enzyme aldosterone synthase. It is formed in the outer-section (zona glomerulosa) of the adrenal cortex of the adrenal gland, as the cells of other sections don't have the corresponding enzyme. It is the sole endogenous member of the class of mineralocorticoids. It helps regulate the body's electrolyte balance by acting on the mineralocorticoid receptor (MR). ...