Term Name:	pyrimidine nucleoside catabolic process
Synonyms:	pyrimidine nucleoside breakdown, pyrimidine nucleoside catabolism, pyrimidine nucleoside degradation
Definition:	The chemical reactions and pathways resulting in the breakdown of one of a family of organic molecules consisting of a pyrimidine base covalently bonded to a sugar ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside).
Ontology:	GO: Biological Process [GO:0046135]    QuickGO    AmiGO