OxyContin vs. Oxycodone. The active ingredient in OxyContin is oxycodone but OxyContin (a brand name derived from oxycodone continuous) has a time-release mechanism, which means the drug is released in the body over a period of time and patients have to take the drug less often.
Transplanting organs, tissues or cells from one person to another. Compare with autologous transplantation. Amniotic fluid stem cell. A type of cell derived from amniotic fluid, which is the liquid that surrounds a developing fetus in the amniotic sac.
Leukemia is a cancer that starts in blood stem cells. Stem cells are basic cells that develop into different types of cells that have different jobs. Blood stem cells develop into either lymphoid stem cells or myeloid stem cells. 1  Lymphoid stem cells develop into lymphocytes, a type of white blood cell.eukemia is a cancer that starts in blood stem cells. Stem cells are basic cells that develop into different types of cells that have different jobs. Blood stem cells develop into either lymphoid stem cells or myeloid stem cells. 1  Lymphoid stem cells develop into lymphocytes, a type of white blood cell.