pyrimidine nucleobase catabolic process
pyrimidine base breakdown
exact
pyrimidine base catabolic process
exact
pyrimidine base catabolism
exact
pyrimidine base degradation
exact
The chemical reactions and pathways resulting in the breakdown of pyrimidine nucleobases, 1,3-diazine, organic nitrogenous bases.
GO:0006206
pyrimidine nucleobase metabolic process
is_a
GO:0046113
nucleobase catabolic process
is_a
GO:0072529
pyrimidine-containing compound catabolic process
is_a