The chemical reactions and pathways resulting in the breakdown of purine nucleoside, one of a family of organic molecules consisting of a purine base covalently bonded to a sugar ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside). [ GOC:go_curators ]
Synonyms: purine nucleoside degradation purine nucleoside catabolism purine nucleoside breakdown
This is just here as a test because I lose it