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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Pirimidina

Pyrimidine (puh-RIH-mih-deen)
One of two chemical compounds that cells use to make the building blocks of DNA and RNA. Examples of pyrimidines are cytosine, thymine, and uracil. Cytosine and thymine are used to make DNA and cytosine and uracil are used to make RNA.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.