In the peripheral nervous system, the fact that most neurons are unmyelinated suggests, from a teleological perspective, that they do not need to be myelinated. This greatly decreases the burden of having to produce so many more

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In the peripheral nervous system, Schwann cells are responsible for the myelination of neurons. The fact that most neurons in this system are unmyelinated means there is a reduced need for Schwann cells, as these cells are specifically involved in the myelination process.

In the Peripheral Nervous System, the Fact That Most Neurons