- Indicator signaling an event or condition in a biological system
or sample and giving a measure of exposure, effect, or susceptibility.
As related to biomonitoring, a biomarker is the presence of any
substance, or a change in any biological structure or process that can
be measured as a result of exposure. Many biomonitoring studies focus on
chemical substances or their metabolites as biomarkers.
- Parameter that can be used to identify an effect in an individual
organism and can be used in extrapolation between species for risk
Source: BIOMONITORING Info Glossary