Xenobiotic Metabolism : Xenobiotic metabolism is the sum of the physical and chemical changes that affect foreign substances in living organisms from uptake to excretion
Heriot-Watt University, School of Life Sciences, Some Terms Used In Toxicology and Chemical Safety, Edinburgh, UK 1992. http://www.who.int/ipcs/publications/methods/harmo nization/en/compilation_nov2001.pdf, (Tox and Chem Sfty - Amer) {85}