Which type of axons lack myelin and conduct signals more slowly?

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Multiple Choice

Which type of axons lack myelin and conduct signals more slowly?

Explanation:
Unmyelinated axons lack the insulating sheath, so electrical signals travel along the entire length of the axon in a continuous, slower fashion. Myelin speeds conduction by wrapping the axon and enabling saltatory conduction, where the impulse hops between nodes of Ranvier. Oligodendrocytes are the cells that form myelin in the CNS, not the axons themselves, and astrocytes are supportive glial cells. So the type described is unmyelinated axons.

Unmyelinated axons lack the insulating sheath, so electrical signals travel along the entire length of the axon in a continuous, slower fashion. Myelin speeds conduction by wrapping the axon and enabling saltatory conduction, where the impulse hops between nodes of Ranvier. Oligodendrocytes are the cells that form myelin in the CNS, not the axons themselves, and astrocytes are supportive glial cells. So the type described is unmyelinated axons.

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