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blastocyst |
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blastocystIn mammals, the hollow ball of cells which is an early stage in the development of the embryo, roughly equivalent to the blastula of other animal groups. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Here Bush was using the same word, "life," to describe not only a minute clump of cells known as a blastocyst but also an actual human being. As I slept fitfully on my bunk, Jacob's blastocyst, looking like a tiny blackberry just 2 millimeters in diameter, had already rolled down one of my fallopian tubes and was busy burrowing into the dark, thick lining of my womb. Embryonic stem cells are the first cells to emerge in a fertilized egg, or blastocyst, of an organism. |
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