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.
Hematopoietic stem cells (HSCs) are the blood cells that give rise to all the other blood cells and are derived from mesoderm. They are located in the red bone marrow, which is contained in the core of most bones. They give rise to both the myeloid and lymphoid lineages of blood cells.