The whitish covering of the axon, produced by the Schwann cells, is the

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Quizplus · Accepted Answer

The whitish covering of the axon is the myelin sheath, which is produced by Schwann cells. Therefore, choice C is the best answer. The dendrite (choice A) is a branched extension of a neuron that receives signals from other neurons, while the synapse (choice B) is the tiny gap between neurons where neurotransmitters are released. The terminal fiber (choice D) refers to the very end of an axon where it forms a synapse with another neuron or target cell.

The Whitish Covering of the Axon, Produced by the Schwann