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On 31 Mar 2004 at 11:40, M.Schild wrote: > Stem cells are taken from a very young embryo ( about 5 days old.) A > fetus is usually called that when it differentiates. Before that, all > vertebrate embryos are similar ( dogs , horses, apes , humans, > etchave a similar embryo). It is only later that the embryo can only > develop into a human and is called a fetus. Respectfully, I say that this is playing with words. The "embryo", unless it is defective, has the full potential to develop into a fetus and then into a human baby. While "embryos" do not "look" human before about 8 weeks (when it becomes a "fetus"), it is a human being, with the human DNA and the right number of chromosomes. The argument about using unborn human beings for research is one thing (and one can hold differing positions on that); but don't try to tell me that a human embryo is anything other than a human being. Best, Bob ********************************************** Robert A. Fink, M. D., F.A.C.S., P. C. 2500 Milvia Street Suite 222 Berkeley, California 94704-2636 Telephone: 510-849-2555 FAX: 510-849-2557 WWW: http://www.rafink.com/ mailto:[log in to unmask] "Ex Tristitia Virtus" ********************************************* ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn