Sialosterone

Aldosterone is the most important mineralocorticoid secreted by the adrenal cortex globular band. Normal people have very little secretion and rapid degradation in the body. Aldosterone is an important hormone that maintains the body's water and electrolyte balance. Its physiological role is to promote reabsorption of sodium by renal tubule epithelial cells and promote potassium excretion. Aldosterone secretion has a circadian secretion rhythm similar to cortisol, high in the morning and low in the morning, and also regulated by the renin-angiotensin system and blood electrolytes. The secretion of aldosterone is increased in the upright position than in the supine position, and its plasma concentration also changes accordingly. Therefore, clinically, blood samples are taken for examination at around 8 am. Salivary aldosterone concentrations are similar to plasma concentrations.

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