ㄙㄨㄟˇsuǐㄑㄧㄠˋqiào

  1. 神經軸突之外白色許多細胞膜圍繞纖維保護神經纖維軸突有如電線絕緣體

myelin sheath (membrane surrounding axon of nerve cell)​
Markscheide (Nerven)​ (S)​