What are Embryonic Stem Cells

Embryonic stem cells are extracted directly from an embryo before the embryo's cells begin to differentiate. At this stage the embryo is referred to as a blastocyst. There are about 100 cells in a blastocyst, a very large percentage of which are stem cells, which can be kept alive indefinitely, grown in cultures, where the stem cells continue to double in number every 2-3 days. A replicating set of stem cells from a single blastocyst is called a stem cell line because the genetic material all comes from the same fertilized human egg that started it.


Sections of our Stem Cell Therapy Guide

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