MAGNESIUM REABSORPTION Meaning and
Definition
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Magnesium reabsorption refers to the physiological process by which the mineral magnesium is taken back into the bloodstream from the kidneys, thereby preserving magnesium levels within the body. This process occurs primarily in the renal tubules, the structures responsible for filtering waste products from the blood and producing urine.
Magnesium is an essential mineral required for various bodily functions, including nerve function, muscle contraction, and maintenance of a healthy immune system. When the kidneys filter blood, some magnesium is eliminated through urine, while the rest is reabsorbed back into the bloodstream to maintain optimal levels.
The mechanism of magnesium reabsorption involves the active transport of magnesium ions across the walls of the renal tubules. It occurs primarily in the thick ascending limb of the loop of Henle, a part of the nephron responsible for reabsorbing various electrolytes. This reabsorption is facilitated by specific transport proteins, such as the transient receptor potential melastatin 6 (TRPM6) channels, which allow magnesium to move against its concentration gradient.
Several factors, including hormonal regulation, influence the rate of magnesium reabsorption. Hormones like parathyroid hormone and calcitriol help regulate magnesium levels by modulating the activity of the reabsorption transporters in the kidney. Additionally, factors like dietary magnesium intake and fluid balance can also affect the reabsorption process.
Overall, magnesium reabsorption is a vital physiological process that ensures the maintenance of appropriate magnesium levels within the body. Any disruption in this process can lead to abnormal magnesium levels, potentially causing detrimental effects on numerous bodily functions.
Common Misspellings for MAGNESIUM REABSORPTION
- nagnesium reabsorption
- kagnesium reabsorption
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- mzgnesium reabsorption
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- mafnesium reabsorption
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Etymology of MAGNESIUM REABSORPTION
The term "magnesium reabsorption" is a compound phrase that combines the words "magnesium" and "reabsorption". Here is the etymology of each:
1. Magnesium: The word "magnesium" comes from the Latin word "magnesia", which refers to a type of magnet or lodestone. "Magnesia" was derived from the Ancient Greek word "magnēs" or "magnēsia lithos", meaning "stone from Magnesia", an ancient region in Thessaly, Greece. The element magnesium, which was later discovered, was named after magnesia due to its presence in magnesite, a mineral found in the region.
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