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Saltatory conduction occurs in :...

Saltatory conduction occurs in :

A

Myelinated nerve fibres

B

Non-myelinated nerve-fibres

C

Both myelinated and non-myelin nerve fibres

D

Skeletal muscle fibres

Text Solution

Verified by Experts

The correct Answer is:
A
Saltatory conduction is found only in myelinated nerve fibres because myelin sheath functions as insulator so that nerve impulse jumps from node to node.
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A : Presence of myein sheath increases the rate of conduction of nerve impulse. R : Ionic channels are absent in the area covered by myelin sheath therefore, depolarization occurs only at the nodes of Ranvier , resulting in saltatory or jumping conduction.