any of three compounds, acetoacetic acid, beta-hydroxybutyric acid, or acetone, that are intermediate in the metabolism of fatty acids and that are found in abnormal quantities in the blood and urine during certain pathological conditions, as diabetes mellitus.
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Also called acetone body.
Origin of ketone body
First recorded in 1910–15
Words nearby ketone body
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for ketone body
biochem any of three compounds (acetoacetic acid, 3-hydroxybutanoic acid, and acetone) produced when fatty acids are broken down in the liver to provide a source of energy. Excess ketone bodies are present in the blood and urine of people unable to use glucose as an energy source, as in diabetes and starvationAlso called: acetone body
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
Medical definitions for ketone body
A ketone-containing substance, such as acetoacetic acid, that is an intermediate product of fatty acid metabolism, tends to accumulate in the blood, and is excreted in the urine of individuals affected by starvation or uncontrolled diabetes mellitus.acetone body
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for ketone body
A ketone-containing substance that is an intermediate product of the metabolism of fatty acids. Ketone bodies tend to accumulate in the blood and urine of individuals affected by starvation or uncontrolled diabetes mellitus.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.