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RU-486
Common name for mifepristone, a drug used in the first several weeks of pregnancy for inducing abortion. RU-486 blocks the receptors for progesterone, a hormone necessary for the maintenance of pregnancy. The drug causes the breakdown of the uterine lining, which, along with the embryo, is shed through the vagina. It has been available in France for the termination of early pregnancy since 1988 and was approved for use in the U.S. in 2000. The name RU-486 is derived from the manufacturer Roussel-Uclaf and a serial number.
Learn more about RU-486 with a free trial on Britannica.com.
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
For the processor, see Intel 80486.
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Europe
- Roman rule in Gaul ends with the defeat at Soissons of the Roman governor Syagrius by the Franks under Clovis I. The land between the Loire and the Somme becomes a part of the Frankish realm.
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This article is licensed under the GNU Free Documentation License.
Last updated on Saturday August 09, 2008 at 15:44:46 PDT (GMT -0700)
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This article is licensed under the GNU Free Documentation License.
Last updated on Saturday August 09, 2008 at 15:44:46 PDT (GMT -0700)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation
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