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nitrogen balance
(redirected from negative nitrogen balance)

   Also found in: Dictionary/thesaurus, Medical, Acronyms 0.01 sec.
nitrogen balance [′nī·trə·jən ‚bal·əns]
(geochemistry)
The net loss or gain of nitrogen in a soil.
(physiology)
The difference between nitrogen intake (as protein) and total nitrogen excretion for an individual.


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Therefore, the amount of protein in muscle is determined in large part by the balance between a positive nitrogen balance, which promotes protein anabolism (growth or build-up), and a negative nitrogen balance, which promotes catabolism.
In this situation, the body is forced into a negative nitrogen balance, which means a greater amount of protein is lost than what is replaced because of less protein/energy intake.
Negative nitrogen balance means more nitrogen is being excreted than consumed, and thus muscle is breaking down.
 
 
 
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