What are Stem Cells
By Bryan Webb,2014-02-02 07:51
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..