cytosine catabolic process
The chemical reactions and pathways resulting in the breakdown of cytosine, 4-amino-2-hydroxypyrimidine, a pyrimidine derivative that is one of the five main bases found in nucleic acids; it occurs widely in cytidine derivatives.
GO:0006208
pyrimidine nucleobase catabolic process
is_a
GO:0019858
cytosine metabolic process
is_a
cytosine breakdown
exact
cytosine catabolism
exact
cytosine degradation
exact