Biomarker broadly refers to a measurable indicator of some biological state or condition.
Biomarker or biomarkers may refer more specifically to: Biomarker (aging), molecular indicator of biological age Biomarker (medicine), a measurable indicator of the severity or presence of some disease state Biomarker (Alzheimer's), indicator of Alzheimer's disease Biomarker (cancer), indicator of cancer Tumor biomarker, a molecule secreted by a tumor Biomarker (diabetes), indicator of diabetes mellitus Imaging biomarker, an attribute in a medical image or scan indicative of a condition or disease Biomarker (toxicology), indicator of exposure to a chemical Biomarkers (journal), a peer-reviewed academic journal of biomarker research Biosignature, or biomarker, a fossil organic molecule that provides evidence of past or present life
See also