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A relay neurone passes impulses from a sensory neurone to a motor neurone.
The neuron that transmits a signal from the nervous system to an effector is a motor neuron.
Neural impulses (action potentials) are transmitted through axons which are covered in a myelin sheath for insulation.
A neural impulse. Specifically, once it fires, an action potential.
synapse
A neuron transmits signals from its cell body, where the nucleus is located, to other neurons or target cells through its axon. The axon carries the electrical impulses away from the cell body towards the synapse, where communication with other cells occurs.
Interneurons
electrical
Muscle fibers
The Inter-neuron (also known as the local circuit neuron, relay neuron or the association neuron) is the neuron which connects the afferent and the efferent neurons in the neural pathways.
A sensory neuron transmits a nerve impulse towards the central nervous system. These nerve cells activated by input, transmits sensory information.
While a neural signal is chemically conveyed from one neuron to another by neurotransmitters, the electro-chemical neural impulse, which happens in the axon when the neuron fires, is called an action potential.