part of part of xenobiotic metabolic process https://github.com/geneontology/go-ontology/issues/19460 drug metabolism xenobiotic metabolism drug metabolic process Reactome:R-HSA-211859 Reactome:R-HSA-211981 GO:0006805 Wikipedia:Xenobiotic_metabolism GO:0017144 Reactome:R-HSA-2161541 Wikipedia:Drug_metabolism Reactome:R-HSA-9748784 The chemical reactions and pathways involving a xenobiotic compound, a compound foreign to the organism exposed to it. It may be synthesized by another organism (like ampicilin) or it can be a synthetic chemical. biological_process metabolic process cellular response to xenobiotic stimulus