Term Name:	xanthine biosynthetic process
Synonyms:	xanthine anabolism, xanthine biosynthesis, xanthine formation, xanthine synthesis
Definition:	The chemical reactions and pathways resulting in the formation of xanthine, 2,6-dihydroxypurine, a purine formed in the metabolic breakdown of guanine but not present in nucleic acids.
Ontology:	GO: Biological Process [GO:0046111]    QuickGO    AmiGO