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Myelinated and Unmyelinated Fibres

The cells inv...

Question

The cells involved in forming myelin sheath neurons of CNS are

A

Oligodendrocytes

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B

Neurolemmocytes

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C

Schwann cells

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D

Astrocytes

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Solution

The correct option is C Schwann cells
Schwann cells or neurolemmocytes form myelin sheath around the axon of neurons.

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Similar questions

Q. Myelin sheath in PNS is formed by schwann cells and in CNS myelin sheath is formed by oligodendrocytes. Am I correct?

Q. Myelin sheath is produced by oligodendrocytes in CNS and Schwann cells in PNS. But unmylinated neurons are present in ANS and SNS...how are they unmylinated if oligodendrocytes produce them??

Q. Match the items given in column I with those given in column II.
Choose the correct option.

	Column I		Column II
a.	Oligodendrocytes	(i)	Synthesize myelin sheath in PNS
b.	Multipolar neurons	(ii)	Cerebral cortex
c.	Schwann cells	(iii)	Synthesize myelin sheath in CNS
d.	Bipolar neurons	(iv)	Retina of eye

Q. Read the given statements and select the correct option.
(i) Synaptic cleft of neurons secretes adrenaline.
(ii) Myelinated nerve fibres are enveloped with Schwann cells, which form a myelin sheath around the axon.
(iii) Non-myelinated nerve fibre is enclosed by a Schwann cells that does not form a myelin sheath.
(iii) Spinal and cranial nerves are made of non-myelinated nerve fibres

Q. why does shcwann cell doesn't form myelin sheath in non-myelinated nerve fibre?

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