Stem cellComments
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Stem cell

Stem cells are undifferentiated cells able to take on various fates. They divide throughout the life of the organism, making more identical cells, providing precursor cells for a pathway of differentiation. Examples: blood-forming cells like erythroblasts; stem cells in gut; stem cells in nervous system; and spermatogonia. Induced pluripotent stem (iPS) cells are cells that have been artificially induced to revert to a stem cell state.