Inter-neurons, also known as  associative neurons, are housed entirely within the central nervous system. They have short dendrites and may have either a short or long axon.
Each neuron has three parts such as cell body, dendrites and a single axon. Inter-neurons are connected spinal motor and sensory neurons. Transferring signals between sensory and motor neurons, they also communicate with each other .
These inter-neurons are 20 billion in numbers and mostly found in the brain and spinal cord and within automatic ganglia. They make >99% of all neurons in the body. Relays signals between a sensory neurons and motor neurons.
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