blood urea nitrogen

blood urea nitrogen definition - medical

blood urea nitrogen

noun Abbr. BUN
Nitrogen in the form of urea in the blood or serum, used as a indicator of kidney function.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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