Q12.    Distinguish between:

           (b) impulse conduction in a myelinated nerve fibre and unmyelinated nerve fibre

Answers (1)

Impulse Conduction in a Myelinated Nerve Fibre

Impulse Conduction in Non-myelinated Nerve Fibre

1. Impulse travels from node to node.

1. Impulse travels along the length of the entire nerve fibre.

2. The speed of conduction is 50 times faster than the non-myelintaed nerve fibre.

2. The speed of conduction is slower.

3. Energy expenditure during impulse transmission is less.

3. Energy expenditure during impulse transmission is more.

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