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Renal Fluid Regulation

Meaning

The complex, homeostatic process primarily orchestrated by the kidneys that maintains the body’s precise internal balance of water volume, electrolyte concentrations, and systemic blood pressure. This vital function involves the continuous filtering of blood, the selective reabsorption of necessary substances like sodium and water, and the controlled excretion of waste and excess fluid as urine. Hormones, including aldosterone, antidiuretic hormone (ADH), and atrial natriuretic peptide (ANP), act as key, indispensable messengers in this process. Proper renal fluid regulation is essential for maintaining cardiovascular health, neuronal function, and overall cellular integrity.