By injecting embryonic carcinoma (EC) cells derived from the central portions of mouse embryoid bodies into blastocysts ... ES cell lines have been derived from the ICM of human embryos 6.

How are induced pluripotent stem (iPS) cells different from embryonic stem (ES ... performing research on ES cells derived from the destruction of human blastocysts is morally unacceptable.

Bush's decision in August 2001 to permit federal financing for research on human embryonic stem (ES) cells using established ES cell lines ... germ cells that are derived from the primordial ...