Reabsorption


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Reabsorption

 

reverse absorption of water and substances dissolved in it from primary urine flowing through the renal tubules; the final urine thus produced is excreted from the body. Among the essential substances that are reabsorbed are many amino acids, vitamins, and most Na+, K+, and Ca2+ions. The reabsorption of some substances varies with their concentration in the blood. For example, glucose is completely reabsorbed if its concentration in plasma is no more than 150–180 mg percent. At high concentrations, some of the glucose enters the urine (glucosuria).

References in periodicals archive ?
Increased reabsorption of bilirubin from the gut, due to lack of conversion to urobilinogen by gut bacteria.
An increase in body fluid volume during rbST supplementation appears partly due to changes in renal tubular function by stimulating reabsorption of electrolytes without changes in renal hemodynamics.
For the bone reabsorption marker, the Dpd concentration was determined using a PyrolinksTM (Metra Biosystems, Mountain View, California) immuno-assay kit from the first void morning urine sample, according to the manufacturers instructions.
CHICAGO -- Suppressing the reabsorption of glucose in the kidney is the novel mechanism for an investigational new class of diabetes drugs.
Movetis NV, a Belgian bio company that specializes in developing compounds for gastrointestinal disorders, has started a Phase-IIa multiple-dose trial with one of its lead products, M0002, an orally-active selective vasopressin antagonist that inhibits water reabsorption from the kidneys.
Renal elimination of drugs depends on three processes: glomerular filtration, tubular secretion and tubular reabsorption.
Commonly we recognise this condition as a cause of abortion and the birth of weakly lambs with poor viability, but in early pregnancy reabsorption of the developing lamb is the result.
The possible mechanism of CBZ-induced hyponatremia is through the induction of excessive water reabsorption in the collecting tubule.
Also designed to dry granules directly at the machine to eliminate contamination or reabsorption of moisture when conveying.
Although water can diffuse across biological membranes at measurable rates, physiologists had long predicted the existence of channels to facilitate rapid reabsorption of water by renal tubular cells.
Therefore, a BAS such as colesevelam HCl, by inhibiting bile acid reabsorption, may enhance reverse cholesterol transport through enhanced uptake of HDL via SRB1 and/or increased apolipoprotein (apo) A1 synthesis.
The effect is a reabsorption of some of La briganta's more dramatic moments into an atmosphere of elegant restraint, in keeping both with the narrator's aristocratic upbringing and with nineteenth-century writing styles.