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Pronunciation: met-a-nef'rin

Definition: A catabolite of epinephrine found in the serum, urine and in some tissues, resulting from the action of catechol-O-methyltransferase on epinephrine; has no sympathomimetic actions; 3-O-methylepinephrine.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.