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  2. Renal sodium reabsorption - Wikipedia

    en.wikipedia.org/wiki/Renal_sodium_reabsorption

    In renal physiology, renal sodium reabsorption refers to the process by which the kidneys, having filtered out waste products from the blood to be excreted as urine, re-absorb sodium ions (Na +) from the waste. It uses Na-H antiport, Na-glucose symport, sodium ion channels (minor). [1]

  3. Renal compensation - Wikipedia

    en.wikipedia.org/wiki/Renal_compensation

    Renal compensation is a mechanism by which the kidneys can regulate the plasma pH. It is slower than respiratory compensation, but has a greater ability to restore normal values. Kidneys maintain the acid-base balance through two mechanisms: (1) the secretion of H + ions into the urine (from the blood) and (2) the reabsorption of bicarbonate ...

  4. Collecting duct system - Wikipedia

    en.wikipedia.org/wiki/Collecting_duct_system

    The collecting duct system is the final component of the kidney to influence the body's electrolyte and fluid balance. In humans, the system accounts for 4–5% of the kidney's reabsorption of sodium and 5% of the kidney's reabsorption of water. At times of extreme dehydration, over 24% of the filtered water may be reabsorbed in the collecting ...

  5. Renal physiology - Wikipedia

    en.wikipedia.org/wiki/Renal_physiology

    Volume of blood plasma delivered to the kidney per unit time. PAH clearance is a renal analysis method used to provide an estimate. Approximately 625 ml/min. renal blood flow = (HCT is hematocrit) Volume of blood delivered to the kidney per unit time. In humans, the kidneys together receive roughly 20% of cardiac output, amounting to 1 L/min in ...

  6. Tubuloglomerular feedback - Wikipedia

    en.wikipedia.org/wiki/Tubuloglomerular_feedback

    Tubuloglomerular feedback is one of several mechanisms the kidney uses to regulate glomerular filtration rate (GFR). It involves the concept of purinergic signaling , in which an increased distal tubular sodium chloride concentration causes a basolateral release of adenosine from the macula densa cells.

  7. Mammalian kidney - Wikipedia

    en.wikipedia.org/wiki/Mammalian_kidney

    The key role in maintaining a constant level of osmolarity is managed by the control of the ratio of sodium and water in the blood. [135] [136] Drinking large amounts of water can dilute the blood plasma. To remove excess water but keep salt in the blood, the kidneys produce more dilute urine than the plasma.

  8. Cardiologists Are Begging You Not to Make This One Mistake ...

    www.aol.com/cardiologists-begging-not-one...

    “Zero dietary sodium intake may lead to clinically significant low blood sodium levels, which can cause severe muscle cramps, weakness, nausea and vomiting, seizures and coma, shock or even ...

  9. Fractional excretion of sodium - Wikipedia

    en.wikipedia.org/wiki/Fractional_excretion_of_sodium

    The fractional excretion of sodium (FE Na) is the percentage of the sodium filtered by the kidney which is excreted in the urine. It is measured in terms of plasma and urine sodium , rather than by the interpretation of urinary sodium concentration alone, as urinary sodium concentrations can vary with water reabsorption .