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Question

Electrically insulating material around neuron is called _______.

A
dendrite
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B
myelin sheath
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C
axon
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D
cell body
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Solution

The correct option is B myelin sheath
Electrically insulating material on neuron is called myelin sheath. It is absent at regions called nodes of Ranvier. The myelin sheath is a protective covering that surrounds fibres called axons, the long thin projections that extend from the main body of a nerve cell or neuron.

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