(a) What is motor neuron? Name the part of the neurone that is stimulated by the neurotransmitt
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motor neurones are effrent neutrons that orginate in spinal cord
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In vertebrates, motor neurons (also called motoneurons) are efferent neurons that originate in the spinal cord and synapse with muscle fibers to facilitate muscle contraction and with muscle spindles to modify proprioceptive sensitivity.
The interface between a motor neuron and muscle fiber is a specialized synapse called the neuromuscular junction. Upon adequate stimulation, the motor neuron releases a flood of acetylcholine (Ach) neurotransmitters from the axon terminals from synaptic vesicles bind with the plasma membrane.
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