Term Name:	'de novo' pyrimidine nucleobase biosynthetic process
Synonyms:	'de novo' pyrimidine base anabolism, 'de novo' pyrimidine base biosynthesis, 'de novo' pyrimidine base biosynthetic process, 'de novo' pyrimidine base formation, 'de novo' pyrimidine base synthesis
Definition:	The chemical reactions and pathways resulting in the formation of pyrimidine nucleobases, 1,3-diazine, organic nitrogenous bases, beginning with the synthesis of a pyrimidine ring from simpler precursors.
Ontology:	GO: Biological Process [GO:0006207]    QuickGO    AmiGO