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.
Definition of AMNION. 1. : a thin membrane forming a closed sac about the embryos or fetuses of reptiles, birds, and mammals and containing the amniotic fluid.2. : a membrane analogous to the amnion and occurring in various invertebrates.â amÂ·niÂ·otÂ·ic \Ëam-nÄ-Ëae-ËÃ¤\ tik. adjective a thin membrane forming a closed sac about the embryos or fetuses of reptiles, birds, and mammals and containing the amniotic fluid. 2. : a membrane analogous to the amnion and occurring in various invertebrates. â amÂ·niÂ·otÂ·ic \Ëam-nÄ-Ëae-ËÃ¤\ tik. adjective