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WordReference Random House Unabridged Dictionary of American English © 2024stem′ cell′, [Cell Biol.]- Cell Biologya cell that upon division replaces its own numbers and also gives rise to cells that differentiate further into one or more specialized types, as various B cells and T cells.
Collins Concise English Dictionary © HarperCollins Publishers:: stem cell n - an undifferentiated cell that gives rise to specialized cells, such as blood cells
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