Source:http://linkedlifedata.com/resource/umls/id/C1157893
GO: The chemical reactions and pathways resulting in the breakdown of thymidine, deoxyribosylthymine thymine 2-deoxyriboside, a deoxynucleoside very widely distributed but occurring almost entirely as phosphoric esters in deoxynucleotides and deoxyribonucleic acid, DNA. [GOC:go_curators]