a substance, physiological characteristic, gene, etc that indicates, or may indicate, the presence of disease, a physiological abnormality or a psychological condition
Also called: biomarker
Examples of 'biological marker' in a sentence
biological marker
Schools could one day screen pupils for depression using a spit test after scientists found the first biological marker for the condition.
Times, Sunday Times (2014)
But his story needs no biological markers to make it readable.
Times, Sunday Times (2007)
It says that students will be studying 'tissue science ... the biological markers of death and decomposition'.
Times, Sunday Times (2008)
Psychiatric illnesses seldom have objective biological markers to distinguish them from normality, and fashionable diagnoses have the tendency to spread like ink through blotting paper.
Times, Sunday Times (2014)
Previous studies have shown that certain biological markers can be found in saliva after a head injury.
Times, Sunday Times (2017)
Home-testing kits are available for cholesterol, blood sugar, liver function and other biological markers of disease.