EMBRYOLOGY
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Where on the neuron would you find the myelin sheath?
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dendrite
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nucleus
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axon
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terminal branches
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Explanation:
Detailed explanation-1: -The myelin sheath is a greatly extended and modified plasma membrane wrapped around the nerve axon in a spiral fashion [1]. The myelin membranes originate from and are a part of the Schwann cells in the peripheral nervous system (PNS) and the oligodendroglial cells in the central nervous system (CNS) (see Chap. 1).
Detailed explanation-2: -[1] Axons are the elongated portion of the neuron located in the center of the cell between the soma and axon terminals. In size, the axon may represent over 95% of the total volume of the neuron.
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