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To: exDemMom; MHGinTN
False. A fibroblast is not a self-sustaining organism. It does not grow into a mature organism and cannot reproduce with other fibroblasts. It is merely one of many highly differentiated cells within the embryonic organism.

That was a truly pathetic attempt to mischaracterize my definition with an outright lie.

30 posted on 03/30/2014 12:48:24 AM PDT by TigersEye (Stupid is a Progressive disease.)
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To: TigersEye
False. A fibroblast is not a self-sustaining organism. It does not grow into a mature organism and cannot reproduce with other fibroblasts. It is merely one of many highly differentiated cells within the embryonic organism.

Those cells are absolutely self-sustaining. All they need to continue to grow indefinitely are nutrients, CO2, and warmth. Furthermore, they contain in their DNA all of the information needed to grow into a human being indistinguishable in form and function from any other human being. The difference between them and the cells of an early pre-implantation blastocyst is the pattern of gene expression. With a chemical "reset" of the DNA, any of those fibroblasts could be induced to enter the embryogenic pathway. The process of inducing embryogenesis out of differentiated cells has been done many times in rodents and other animals (e.g. Dolly the sheep); researchers are attempting to do the same with primates. Once they figure out the process in primates, they will be able to do it with humans.

Oh, for the sake of completeness, I should mention that there are many populations of human embryonic cells maintained in exactly the same manner as those fibroblasts--and they do not form embryos since they have not received the chemical signals telling them to begin embryogenesis. Oh, BTW, here is a nice information piece that explains where thoughts take place and how consciousness is controlled in the brain, and here is another ("brain facts" link here) that illustrates (in very brief and simplified fashion) how thoughts occur. However, I did notice that *after* I had already listed a number of imaging techniques that allow researchers and physicians to record thought processes as they occur, you again challenged me to name one way in which thoughts can be seen as if I had never even listed the imaging modalities. Therefore, I don't hold high hopes of you actually learning anything from these web sites.

Oh, and while I was perusing youtube videos, I found this video which, frankly, makes me feel a bit nauseated. That's because, unlike you, I am very aware of how integral functional brain tissue is to personhood and perception, and I recognize that the brain they made *is* a person. The video shouldn't bother you one bit, however, given your odd view that the purpose of the brain is--I dunno, to keep the skull from collapsing? While you have adamantly denied that the brain's primary functions have anything to do with the brain, you've never really specified what, exactly, you think the brain does.

The fact that your new-age beliefs about human biology contradict what is actually known, and I insist on only communicating established scientific facts might make *someone* a liar, but it isn't me.

33 posted on 03/30/2014 5:53:14 AM PDT by exDemMom (Current visual of the hole the US continues to dig itself into: http://www.usdebtclock.org/)
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