脫髓病(demyelination)係一類中央神經系統嘅病,包括一柞涉及髓磷脂受破壞嘅病:髓磷脂係一浸包住軸突嘅脂,幫手將條軸突絕緣,對神經訊號嘅傳遞嚟講好重要;一個患有脫髓病嘅病人身體有某啲問題,搞到佢啲神經細胞嘅髓磷脂受損,進而影響佢啲神經細胞傳訊號嘅能力。症狀就視乎髓磷脂受損嘅係乜嘢神經細胞。
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