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biological marker

British

noun

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

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biological marker

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

The presence of glutamate as a biological marker might shed light on why patients struggle with exhaustion.

From Scientific American ● Aug. 11, 2022

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

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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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023