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View synonyms for RU 486

RU 486

or RU-486

RU 486

/ äryo̅o̅fôr′ā-tē-sĭks /

  1. An oral drug that terminates early pregnancy by interfering with the action of progesterone, thereby preventing the attachment of a fertilized ovum to the uterine wall.


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Word History and Origins

Origin of RU 4861

First recorded in 1980; designation given the compound by its French manufacturer, Roussel UCLAF, Paris

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Ruruana