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blastocyst

A Dictionary of Zoology | 1999 | | Copyright

blastocyst A mammalian embryo at the stage at which, after cleavage, it is implanted in the wall of the uterus. It consists of a thin-walled, hollow sphere (trophoblast) enclosing a blastocoel. Attached to the inner surface of the trophoblast at one end there is a sheet of cells that will become the embryo proper.

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MICHAEL ALLABY. "blastocyst." A Dictionary of Zoology. 1999. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "blastocyst." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O8-blastocyst.html

MICHAEL ALLABY. "blastocyst." A Dictionary of Zoology. 1999. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-blastocyst.html

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blastocyst

A Dictionary of Nursing | 2008 | Copyright

blastocyst (blast-oh-sist) n. an early stage of embryonic development that consists of a hollow ball of cells with a localized thickening (the inner cell mass) that will develop into the actual embryo. See also implantation.

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"blastocyst." A Dictionary of Nursing. 2008. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O62-blastocyst.html

"blastocyst." A Dictionary of Nursing. 2008. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-blastocyst.html

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blastocyst

A Dictionary of Biology | 2004 | Copyright

blastocyst See blastula; implantation.

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"blastocyst." A Dictionary of Biology. 2004. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>.

"blastocyst." A Dictionary of Biology. 2004. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O6-blastocyst.html

"blastocyst." A Dictionary of Biology. 2004. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-blastocyst.html

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Free newspaper and magazine articles

	Blastocyst transfer not for everyone. (Less Success in ICSI Patients). Magazine article from: OB GYN News; 12/1/2001
	Blastocyst Transfer Improvements May Eliminate Multiples.(multiple gestation) Magazine article from: Family Practice News; 10/15/1999
	Blastocyst Transfer Cuts Multiples Risk. Magazine article from: OB GYN News; 12/1/2000