Glossary Term:

Title

ataxia-telangiectasia mutation

Phonetic

a-<b>tax</b>-ee-yuh tel-<b>an</b>-jee-eck-<b>TAY</b>-zhuh

Description

also called ATM. An inherited mutation in a certain gene responsible for repairing damaged deoxyribonucleic acid (DNA). If this mutation is present, the carrier may have a higher risk of several types of cancer. See also deoxyribonucleic acid, gene, genetic testing, mutation.