white matter
US /ˈwaɪt ˌmæt.ər/
UK /ˈwaɪt ˌmæt.ər/
1.
substance blanche
the paler tissue of the brain and spinal cord, consisting mainly of nerve fibers with their myelin sheaths.
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Damage to the white matter can impair cognitive function.
Les dommages à la substance blanche peuvent altérer la fonction cognitive.
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The MRI scan revealed abnormalities in the patient's white matter.
L'IRM a révélé des anomalies dans la substance blanche du patient.