What is the electrically insulating material covering the axon of a neuron called?

Dendrite

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Myelin sheath

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Axon

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Cell body

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Solution

The correct option is B
Myelin sheath

The electrically insulating material on a neuron is known as the myelin sheath. It is made up of fatty tissues. Apart from insulation, it provides nutrients and oxygen to axons.

The dendrites are short fibres that arise from the cell body whereas axon is the long projection of a nerve cell. The axon carries the message from the cell body of one neuron to the other.

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Similar questions

Q. Electrical impulse travels in a neuron from :
(a) dendrite → axon → axon end → cell body
(b) cell body → dendrite → axon → axon end
(c) dendrite → cell body → axon → axon end
(d) axon end → axon → cell body → dendrite

Question 2
Electrical impulse travels in a neuron from

(a) Dendrite → axon → axonal end → cell body
(b) Cell body → dendrite → axon → axonal end
(c) Dendrite → cell body → axon → axonal end
(d) Axonal end → axon → cell body → dendrite

Q. The insulating sheath covering the neural axon is called

Q. Match the following parts of a neuron to their respective functions.

Parts of Neuron	Functions
(A) Dendrite	(i) Insulates axon
(B) Axon	(ii) Recieves impulses
(C) Myelin sheath	(iii) Conducts impulses

Question 3
In a synapse, chemical signal is transmitted from

(a) dendritic end of one neuron to axonal end of another neuron
(b) axon to the cell body of the same neuron
(c) cell body to the axonal end of the same neuron
(d) axonal end of one neuron to dendritic end of another neuron

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