43. For Schwann cells in a motor neuron, which description below is incorrect?
(A) They locate on dendrites of a neuron.
(B) Myelin sheath is the insulating material for Schwann cells.
(C)In between Schwann cells, there is node of Ranvier.
(D) Schwann cells speed up the transmission of signals.
(E) Schwann cells do not cover the synaptic terminals.
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