Word: stems
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Dates: during 1990-1999
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...have undergone transplants, but these involved bone-marrow cells and had to be matched precisely with the recipients' own blood. In Keone's case, though, his half-sister could not offer matching marrow. So his doctors decided to turn to more easily available cord blood. Consisting largely of immature stem cells, it does not require precise matches between recipient and donor...
There are no records of Gore's involvement on the council, but friends recall that he didn't spend much time attending the meetings. His political participation, friends said, seemed to stem from a sense of obligation, and not from a personal commitment...
TOMORROW: Coaxing the body to grow bone and cartilage on biodegradable scaffolds infused with a mix of stem cells and growth factors...
TOMORROW: Grown by the body from stem or precursor cells and growth factors...
TOMORROW: Grown in the lab from stem or precursor cells to avoid rejection by the immune system