white matter
US /ˈwaɪt ˌmæt.ər/
UK /ˈwaɪt ˌmæt.ər/
1.
substância branca
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.
Danos à substância branca podem prejudicar a função cognitiva.
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The MRI scan revealed abnormalities in the patient's white matter.
A ressonância magnética revelou anormalidades na substância branca do paciente.