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<p>of <a href="page.php?w=Blood_plasma">plasma</a>, and produce <a href="page.php?w=urine">urine</a> as a byproduct of metabolism.</p>

<p>When used colloquially, the term kidney disease may refer to <a href="page.php?w=chronic_kidney_disease">chronic kidney disease</a> (CKD), an umbrella term for any progressive loss of kidney function over at least three months, from any cause. In contrast, kidney damage over a shorter period of time is known as <a href="page.php?w=acute_kidney_injury">acute kidney injury</a>.</p>

<p>From a technical standpoint,</p><p>
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