stem cells
"Stem cells are like little kids who, when they grow up, can enter a variety of professions," Dr. Marc Hedrick of the UCLA School of Medicine says. "A child might become a fireman, a doctor or a plumber, depending on the influences in their life -- or environment. In the same way, these stem cells can become many tissues by making certain changes in their environment."
"Stem cells are the foundation cells for every organ, tissue and cell in the body. Stem cells are like blank microchips that can ultimately be programmed to perform particular tasks. Stem cells are differentiated from other cell types in the following respects:"
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