white matter
柯林斯詞典
1. N the whitish tissue of the brain and spinal cord, consisting mainly of myelinated nerve fibres 白質 (Technical name substantia alba)→compare grey matter
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white matter
劍橋詞典
- the pale tissue containing nerve fibres (= structures like threads ) found in the brain and spinal cord
白質（見於大腦和脊髓的淡色組織，內含絲狀的神經纖維結搆）
比較
grey matter 返回 white matter