What do you mean by tubular secretion, Biology

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Q. What is tubular secretion? What are some examples of substances secreted through the renal tubules?

Uric acid, Ammonia, potassium bicarbonate and hydrogen ions, bases and metabolic acids, various ingested drugs (medicines) and other substances are secreted by the nephron tubules and tubular secretion is the passage of substances from the blood capillaries that surround the nephron tubules to the tubular lumen for these substances to be excreted with urine.


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