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.
Somatic cells. Definition. noun, singular: somatic cell. The word âsomaticâ is derived from the Greek word soma, meaning âbodyâ. Hence, all body cells of an organism â apart from the sperm and egg cells, the cells from which they arise (gametocytes) and undifferentiated stem cells â are somatic cells.