Difference between revisions of "Embryonic stem cells"
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Embryonic stem cells can differentiate into the three "germ layers": [[ectoderm]], [[endoderm]] and [[mesoderm]]. The 220 types of cells in humans are all based on these germ layers. Some scientists have shown effectively that embryonic stem cells have greater differentiation potential, and divide into greater numbers, than [[adult stem cells]] can. | Embryonic stem cells can differentiate into the three "germ layers": [[ectoderm]], [[endoderm]] and [[mesoderm]]. The 220 types of cells in humans are all based on these germ layers. Some scientists have shown effectively that embryonic stem cells have greater differentiation potential, and divide into greater numbers, than [[adult stem cells]] can. | ||
| − | Since Conservatives are [[Pro-life]], they consider taking stem cells from human embryos as tantamount to [[abortion]], which they believe to be a hideous and [[evil]] practice. [[Liberals]] claim that the embryos used for stem cell research are already condemned to death because most of them are the byproduct of [[In Vitro Fertilization]] procedures which generate many more embryos than are needed to implant in the woman. With no further use for these embryos, they are often destroyed. The liberals claim that embryonic stem cell research does not result in the destruction of any additional embryos. <ref>http://humrep.oxfordjournals.org/cgi/content/full/18/4/672</ref> This [[Liberal deceit]] fails to mention that embryos can be adopted <ref>http://www.embryoadoption.org/</ref> | + | Since Conservatives are [[Pro-life]], they consider taking stem cells from human embryos as tantamount to [[abortion]], which they believe to be a hideous and [[evil]] practice. [[Liberals]] claim that the embryos used for stem cell research are already condemned to death because most of them are the byproduct of [[In Vitro Fertilization]] procedures which generate many more embryos than are needed to implant in the woman. With no further use for these embryos, they are often destroyed. The liberals claim that embryonic stem cell research does not result in the destruction of any additional embryos. <ref>http://humrep.oxfordjournals.org/cgi/content/full/18/4/672</ref> This [[Liberal deceit]] fails to mention that embryos can be adopted <ref>http://www.embryoadoption.org/</ref>. |
President Bush was pressured by [[Scientist]]s into funding stem cell research<ref>http://www.whitehouse.gov/news/releases/2001/08/20010809-2.html </ref>. | President Bush was pressured by [[Scientist]]s into funding stem cell research<ref>http://www.whitehouse.gov/news/releases/2001/08/20010809-2.html </ref>. | ||
Revision as of 19:24, October 9, 2007
Embryonic stem cells are taken from the inner part of a young embryo, also known as a blastocyst. An embryo reaches the blastocyst stage about 4-5 days after fertilization. At that point they contain about 50-150 cells.
Embryonic stem cells can differentiate into the three "germ layers": ectoderm, endoderm and mesoderm. The 220 types of cells in humans are all based on these germ layers. Some scientists have shown effectively that embryonic stem cells have greater differentiation potential, and divide into greater numbers, than adult stem cells can.
Since Conservatives are Pro-life, they consider taking stem cells from human embryos as tantamount to abortion, which they believe to be a hideous and evil practice. Liberals claim that the embryos used for stem cell research are already condemned to death because most of them are the byproduct of In Vitro Fertilization procedures which generate many more embryos than are needed to implant in the woman. With no further use for these embryos, they are often destroyed. The liberals claim that embryonic stem cell research does not result in the destruction of any additional embryos. [1] This Liberal deceit fails to mention that embryos can be adopted [2].
President Bush was pressured by Scientists into funding stem cell research[3].
