Definition / meaning of biomarker

A biological molecule found in blood, other body fluids, or tissues that is a sign of a normal or abnormal process, or of a condition or disease. A biomarker may be used to see how well the body responds to a treatment for a disease or condition. Also called molecular marker and signature molecule.

Listed under:

Find More About 'biomarker'


The Web site of the National Cancer Institute (

Leave a Comment