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Glomerular filtration rate (GFR) is the volume of fluid filtered from the renal (kidney) glomerular capillaries into the Bowman's capsule per unit time. [4] Central to the physiologic maintenance of GFR is the differential basal tone of the afferent (input) and efferent (output) arterioles (see diagram).
An estimate of the GFR is used clinically to determine the degree of kidney impairment and to track the progression of the disease. The GFR, however, does not reveal the source of the kidney disease. This is accomplished by urinalysis, measurement of urine protein excretion, kidney imaging, and, if necessary, kidney biopsy. [1]
During their analysis, they split the participants into three groups — high, medium, and low blood pressure variation. They found that, overall, those in the high variability group had lower ...
Tubular secretion occurs simultaneously during re-absorption of filtrate. Substances, generally produced by body or the by-products of cell metabolism that can become toxic in high concentration, and some drugs (if taken). These all are secreted into the lumen of renal tubule. Tubular secretion can be either active or passive or co-transport.
Your weight can fluctuate during the day by five pounds or more, depending on factors like water retention, bowel movements, fluid intake, and your menstrual cycle, she adds. So, know that it may ...
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Nephritic syndrome is a syndrome comprising signs of nephritis, which is kidney disease involving inflammation.It often occurs in the glomerulus, where it is called glomerulonephritis.
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