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ketone bodies
the substances acetone, acetoacetic acid, and β-hydroxybutyric acid; except for acetone (which may arise spontaneously from acetoacetic acid), they are normal metabolic products of lipid and
pyruvate within the liver, and are oxidized by muscles. Excessive production leads to urinary excretion of these bodies, as
in diabetes mellitus; see also ketosis. Called also acetone bodies.

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