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biological marker

British  

noun

  1. Also called: biomarker. a substance, physiological characteristic, gene, etc that indicates, or may indicate, the presence of disease, a physiological abnormality or a psychological condition

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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The failure highlighted the same problem as the Novartis miss: changing a biological marker isn’t the same thing as preventing a heart attack or stroke.

From The Wall Street Journal ● Sep. 12, 2026

What makes disability advocates nervous about the system’s treatment of long-haulers is their experience with its approach to chronic fatigue syndrome, for which there is no lab test or biological marker.

From Los Angeles Times ● Mar. 8, 2021

Like ME/CFS, post-Lyme syndrome has no biological marker that allows for concrete diagnosis.

From New York Times ● Jan. 21, 2021

If scientists could diagnose based on a biological marker, diagnoses would become more objective, and the same therapies would seem more effective because they would be better matched to patients who would benefit from them.

From Scientific American ● Feb. 10, 2020

There’s no blood test or other biological marker to determine the presence of anxiety, depression, PTS or other related conditions.

From Salon ● Jul. 20, 2019

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