Stem Cell research is an area of science where stem cells are taken and utilized in growing new organs, tissues, and other things. Stem cells are the cells that divide into other types of cells that come together to make a body. Of these cells there are two types - embryonic and adult. The US is one of the countries behind in this technology, because it was only 6 years ago that Barack Obama lifted the ban of all government funding for stem cell research that was employed by George W. Bush. This research is further along in European and Asian first world countries due to lack of restrictions.
The research itself was and still is very controversial, especially in the US. The difference between the two types of stem cells is that adult stem cells come from adult tissues like bone marrow or fat. These cells however have a much more limited ability to give rise to various cells in the body than embryonic stem cells.
Embryonic stem cells are obtained from four to five day old embryos left over from in-vitro fertilization. There are two ways to obtain the stem cells. The first, more common and efficient method destroys the embryo. The hollow blastocyst contains a cluster of roughly 20-30 cells called the inner cell mass. These are the cells that become embryonic stem cells in a lab dish. Once they become stem cells they continue to grow and multiply indefinitely in the lab dish. The process of extracting these cells destroys the embryo. Remember that the embryos were donated from in vitro fertilization clinics. They had either been rejected for implantation and were going to be destroyed, or the couple had decided to stop storing the embryos for future use. The embryos used to create embryonic ...
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...radicated from society making the human race healthier and safer.
Mayo Clinic - http://www.mayoclinic.org/tests-procedures/stem-cell-transplant/in-depth/stem-cells/art-20048117
California Stem Cell Agency-
National Institutes of Health; U.S. Department of Health & Human Services
The American Recovery and Reinvestment Act
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