Origin of RU 486

First recorded in 1980; designation given the compound by its French manufacturer, Roussel UCLAF, Paris
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Medicine definitions for ru 486

RU 486
[ är′yōō fôr′ā-tē-sĭks ]

n.

A drug that chemically terminates a pregnancy.mifepristone
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for ru 486

RU 486
[ äryōō fôr′ā-tē-sĭks ]

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.