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What are Stem Cells

By Bryan Webb,2014-02-02 07:51
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What are Stem Cells? Stem cells are a class of undifferentiated cells that are able to differentiate into specialized cell types. Commonly, stem cells come from two main sources: 1. Embryos formed during the blastocyst phase of embryological development (embryonic stem cells) and 2. Adult tissue (adult stem cells). Both types are generally characterized by their potency..
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