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urea cycle

noun, Biochemistry.
a metabolic process by which ammonia derived from amino acids is converted into urea in the liver.
Also called Krebs urea cycle. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for urea cycle

urea cycle

the sequence of metabolic reactions leading in vertebrates to the synthesis of urea
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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urea cycle in Medicine

urea cycle n.
The sequence of chemical reactions that takes place in the liver and that results in the production of urea. The key reaction is the hydrolysis of arginine by arginase to ornithine and urea. Also called Krebs-Henseleit cycle, Krebs ornithine cycle, Krebs urea cycle.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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