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Renal glucose reabsorption is the part of kidney (renal) physiology that deals with the retrieval of filtered glucose, preventing it from disappearing from the body through the urine. If glucose is not reabsorbed by the kidney, it appears in the urine, in a condition known as glycosuria .
The glomerular filtration rate (GFR) describes the volume of fluid filtered from the renal (kidney) glomerular capillaries into the Bowman's capsule per unit time. [3] Creatinine clearance (C Cr ) is the volume of blood plasma that is cleared of creatinine per unit time and is a useful measure for approximating the GFR.
reabsorption in response to PTH and ↑ reabsorption with Thiazide Diuretics. – Magnesium: Calcium and magnesium compete, and an excess of one can lead to excretion of the other. reabsorption: reabsorption (thick ascending) reabsorption – Phosphate: Excreted as titratable acid. reabsorption (85%) via sodium/phosphate cotransporter. [3]
Glycosuria is nearly always caused by an elevated blood sugar level, most commonly due to untreated diabetes. Rarely, glycosuria is due to an intrinsic problem with glucose reabsorption within the kidneys (such as Fanconi syndrome ), producing a condition termed renal glycosuria . [ 1 ]
For example, with glucose, some sugar appears in the urine at levels much lower than 300 mg/dL. [2] The point at which the effects start to appear is called "threshold", and the difference between threshold and transport maximum is called "splay". [3]
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).
Whenever sugar is taken away or something that could be gritty (like protein) is added, there have to be more preservatives put in to make a food have the right consistency and palatability. This ...
Paracellular transport also has the benefit that absorption rate is matched to load because it has no transporters that can be saturated. In most mammals, intestinal absorption of nutrients is thought to be dominated by transcellular transport, e.g., glucose is primarily absorbed via the SGLT1 transporter and other glucose transporters .