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"William P. Taggart" wrote:

> Stem Cells = "Blastula" ?
>
> Is it not true that the best undifferentiated cells are to be found in the
> blastula phase of development?
>

totipotent vs pluripotent

snip

> If the blastula is the best source of stem cells, then should the questions
> not be focused on the use of blastulas, not embryos.   What say you?
>

yes--that would be more descriptive

all blastulas are embryos
not all embryos are blastulas    ;-)

> Bill
> PWP, New Jersey

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                    Ray Strand
...on the edge of the prairie abyss ......................
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            48/47 dx/40 ?onset
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