(寡樹突細胞)Oligodendrocyte是包覆軸突(axon)~ A錯
而且一個寡樹突細胞可以包好幾條不同的軸突→E對
https://us.123rf.com/450wm/designua/designua1412/designua141200005/34238036-oligodendrocytes-is-to-provide-support-to-axons-and-to-produce-the-myelin-sheath-which-insulates-axo.jpg?ver=6#s-450,378
20. 下列有關髓鞘(myelin sheath)的敘述,何者正確? (A) ..-阿摩線上測驗