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Q In which part of the nervous system are myelinated neurons primarily found?

ID: #8755 Nervous System 135 views
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#8755Q ID
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Nervous SystemTopic
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  • A Only in the embryonic condition ✔ ✖
  • B In the peripheral nerves ✔ ✖
  • C In motor neurons ✔ ✖
  • D In spinal cord and cranial nerves ✔ ✖
Correct Answer: Option D

Explanation

Myelinated nerve fibers are primarily found in spinal cord and cranial nerves. These neurons are surrounded by Schwann cells that form a myelin sheath around the axon, which helps in the faster conduction of electrical signals. Unmyelinated nerve fibers, on the other hand, are found in peripheral nerves, somatic and autonomous neural systems. Myelination of neurons is a crucial process in the development and function of the nervous system.

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