pyrimidine nucleobase catabolic process
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
pyrimidine base breakdown
exact
pyrimidine base catabolic process
exact
pyrimidine base catabolism
exact
pyrimidine base degradation
exact