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Myelin of nerve fibres of CNS is produce...

Myelin of nerve fibres of CNS is produced and maintained by

A

Microglia

B

Schwann cells

C

Astrocytes

D

Oligodendrocytes.

Text Solution

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The correct Answer is:
D
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Name two types of nerve fibres .

Read the following statement about the nervous system and mark the CORRECT option . (a) synaptic cleft of neurons secretes adrenaline . (b) Myelinated nerve fibres in PNS are enveloped with Schwann cell (c) Non- myelinated nerve fibres in PNS is enclosed by a Schwann cell dose not from the myelin sheath . (d) spinal cord and cranial nerves are made of non-myelinated nerve fibres . Of the four statements,

Knowledge Check

  • Myelin sheath of nerve fibres is produced by

    A
    Axon
    B
    Connective tissue
    C
    Schwann cells
    D
    Neuroglia.

  • Myelin sheath is produced by or Mylin of the nerve fibres of the central nervous system is produced and maintained by

    A
    Schwann cell and Oligodendrocytes
    B
    Astrocytes and Schwann cells
    C
    Oligodendrocytes and Osteoclasts
    D
    Osteoclasts and Astrocytes

  • An action potential in the nerve fibre is produced when positive and negative charges on the outside and the inside of the axon membrane are reversed, because

    A
    More potassium ions enter the axon as compared to sodium ions leaving it
    B
    More sodium ion enter the axon as compared to potassium ions leaving it
    C
    All potassium ions leave the axon
    D
    All sodium ions enter the axon

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