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Node of Ranvier occurs where : (A) Nerve is covered with myelin sheath (B) Neurilemma is discontinuous (C) Neurilemma and myelin sheath are discontinuous (D) Myelin sheath is discontinuous |
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Answer» Correct option (D) Myelin sheath is discontinuous Explanation: Axon may or may not be covered by a fatty sheath called myelin sheath. This covering is missing at intervals. These gaps are known as Nodes of Ranvier. |
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