. "\"The chemical reactions and pathways resulting in the breakdown of any pyridine nucleoside, a nucleoside in which a pyridine base covalently bonded to a sugar, usually ribose.\" [CHEBI:47896, GOC:mah]" . . "pyridine nucleoside catabolic process" . "pyridine nucleoside breakdown" . "pyridine nucleoside catabolism" . "pyridine nucleoside degradation" . . . .