Aldosterone, a steroid hormone with mineralocorticoid activity, is mainly recognized for its action on sodium reabsorption in the distal nephron of the kidney, which is mediated by the epithelial ...
An aldosterone (ALD) test measures the amount of ALD in your blood. It’s also called a serum aldosterone test. ALD is a hormone made by the adrenal glands. The adrenal glands are found on top of your ...