A Part of the University of Maryland Medical Center

Connect with UMGCC
Facebook Twitter YouTube Blog iPhone
Email PageEmail page Print PagePrint page

Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Metilación

Methylation (MEH-thul-AY-shun)
A chemical reaction in which a small molecule called a methyl group is added to other molecules. Methylation of proteins or nucleic acids may affect how they act in the body.

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