The site of communication between a neuron and a muscle fiber is called a:

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The site of communication between a neuron and a muscle fiber is called a neuromuscular junction. This is where the neuron releases a chemical neurotransmitter (acetylcholine) that stimulates the muscle fiber to contract. Z line is a structure within a muscle fiber, sarcomere is a structural unit of a muscle fiber, and axon is a part of the neuron that transmits signals.

The Site of Communication Between a Neuron and a Muscle