biomarkers

noun
UK /ˈbaɪəʊˌmɑːkəz/
US /ˈbaɪoʊˌmɑːrkərz/

Tiny signs in your body that doctors can measure to see how healthy you are.

The doctor checked her blood for biomarkers that show how well her heart is working.


OTHER MEANINGS

2. Substances in blood or tissue that show whether a disease is present.

Scientists found biomarkers that can detect cancer early.

3. Measurable signs that show how a medicine is working in the body.

The trial tracked biomarkers to see if the new drug helped patients.

4. Biological clues used by researchers to study how living things respond to their environment.

Researchers used biomarkers in fish to check for water pollution.