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Pronunciation: me-ti'ro-sin, -sen

Definition: An inhibitor of tyrosine hydroxylase and therefore a powerful inhibitor of catecholamine synthesis; used for controlling the manifestations of pheochromocytoma, in preoperative preparation, or in instances where surgical resection is contraindicated or incomplete.

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