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Medical Term:


Pronunciation: rē-sĕr′pēn, -pin

Definition: An ester alkaloid isolated from the root of certain species of Rauwolfia; it decreases the 5-hydroxytryptamine and catecholamine concentrations in the central nervous system and in peripheral tissues; formerly used in conjunction with other agents in the management of essential hypertension and as a tranquilizer in psychotic states.