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Sciences > Medical Science (Other) Questioning the value of embryonic stem cell research

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The functional and structural unit of any living organism is the cell. A stem cell is a type of cell found in most multi-cellular organisms. Their ability to renew themselves through different-tiating and mitotic cell division is their distinguishing characteristic. Cellular biologist Ernest Armstrong McCulloch and biophysicist James Edgar Till, both from Canada, are credited with initiating stem cell research. Stem cells can be divided into three categories - embryonic, adult, and induced pluripotent. Embryonic stem cells are "cultures of cells derived from the epiblast tissue of the inne...

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