Difference Between Sensory and Motor Neuron

Difference Between Sensory and Motor Neurons

Neurons are the structural and functional unit of the nervous system. They constitute the communication network of the nervous system and transfer electrical impulses between the central nervous system and sensory organs. They are three types of neurons based on the function as follows:

  • Sensory Neuron
  • Motor Neuron
  • Inter-Neuron

Here, in this article let us discuss the difference between sensory and motor neurons.

Sensory vs Motor Neurons

Sensory Neuron Motor Neuron
Neurons that carry sensory impulse from sensory organs to the central nervous system are known as sensory neurons A neuron that carries motor impulses from the central nervous system to specific effectors is known as motor neurons.
They are located in the dorsal root ganglion of the spinal nerve They are located in the ventral root ganglion of the spinal cord.
It is unipolar It is multipolar
Comprises of a short axon Comprises of a long axon
An adult has an average of 10 million sensory nerves in the body Half million of motor neurons are found in the body
Found in eyes, skin, ears, tongue and nose Found in muscles and glands

The main difference between sensory and motor neuron is their function and structure. Both these neurons enable the central nervous system to coordinate different functions in the body. To learn more differences like the difference between sympathetic and parasympathetic, Visit BYJU’S.

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