pyrimidine deoxyribonucleotide catabolic process
pyrimidine deoxyribonucleotide catabolic process
"The chemical reactions and pathways resulting in the breakdown of a pyrimidine deoxyribonucleotide, a compound consisting of nucleoside (a pyrimidine base linked to a deoxyribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar."