#effector.nerve_fiber  a nerve fiber that terminates on a muscle or gland and stimulates contraction or secretion
  supertype:  #nerve_fiber__nervefiber__nerve_fibre__nervefibre  a threadlike extension of a nerve cell
  part:  #end-plate__endplate__motor_end_plate__motorendplate  the flattened end of a motor neuron that transmits neural impulses to a muscle

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