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- Title
Renal magnesium handling: New insights in understanding old problems.
- Authors
Quamme, Gary A.
- Abstract
The article presents information on renal magnesium handling. Control of total body magnesium homeostasis principally resides within the nephron segments of the kidney. Magnesium is handled in different ways along the nephron segments. About 80 percent of the total plasma magnesium is filtered through the glomerular membrane. The adult proximal tubule reabsorbs little magnesium and appears to pay a limited role in control of renal magnesium conservation. Magnesium handling in the neonatal proximal tubule may be quite different than that observed in the adult kidney. Researchers have showed that luminal magnesium concentration remained similar to the ultrafilterable plasma magnesium level along the neonatal rat proximal tubule so that fractional magnesium absorption was in order of 60 to 70 percent, equal to that observed for sodium or calcium.
- Subjects
MAGNESIUM; HOMEOSTASIS; PHYSIOLOGY; PHYSIOLOGICAL control systems; SODIUM; CALCIUM
- Publication
Kidney International, 1997, Vol 52, Issue 5, p1180
- ISSN
0085-2538
- Publication type
Article
- DOI
10.1038/ki.1997.443