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Edits made by the below user(s) were last checked for neutrality on March 2016 Tagishsimon.
Dcbennett2 (talk·contribs) has been paid by SciWri Services on behalf of Cellectis. Their editing has included contributions to this article. Paid editing declared here
Broadly, there are two types of stem cell. Tissue stem cells are found in various places of the body and enable growth, repair and renewal of tissues and organs. Embryonic stem cells are generated in the lab from cells of the early embryo (4-6 days old depending on the organism)
As it stands, it implys that embryonic stem cells are found in mammals, which they aren't; they are grown in the lab from cells of a mammal embryo. Using the definition of self renewal, stem cells aren't found in the early embryo - they dont self renew, just differentiate. — Preceding unsigned comment added by Endoderm (talk • contribs) 13:55, 30 November 2016 (UTC)
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