from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An unspecialized cell that gives rise to a specific specialized cell, such as a blood cell.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A primal undifferentiated cell from which a variety of other cells can develop through the process of cellular differentiation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an undifferentiated cell whose daughter cells may differentiate into other cell types (such as blood cells)


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