Types of Nerves

We can define nerve as an enclosed, cable-like bundle of peripheral axons (the long, slender projections of neurons).The nerves of the body provides a common pathway for the electrochemical nerve impulses that are transmitted along each of the axons. Nerves are found only in the peripheral nervous system.

Nerves are of three types of nerves based on the types of neurons they carry. They are:

Sensory Nerves

They are made up of only sensory neurons. Examples for sensory nerves are the cranial nerves that conduct impulses from the organs to the central nervous system.

Motor Nerves

They are made up of only motor neurons. Examples for the motor nerves are the cranial nerves that conduct impulses from the central nervous system to the muscles and glands (effector).

Mixed Nerves

The nerves that are made up of both sensory and motor neurons are called mixed nerves. Examples of mixed nerves are spinal nerves.

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