#nerve_fiber__nervefiber__nerve_fibre__nervefibre  a threadlike extension of a nerve cell
  supertype:  fiber__fibre  a slender and greatly elongated solid substance
  part:  neurolemma
  part of:  nervus
  subtype:  medullated_nerve_fiber__myelinated_nerve_fiber  a nerve fiber encased in a sheath of myelin
  subtype:  effector.nerve_fiber  a nerve fiber that terminates on a muscle or gland and stimulates contraction or secretion
  subtype:  axon__axone  long nerve fiber that conducts away from the cell body of the neuron
  subtype:  dendrite  short fiber that conducts toward the cell body of the neuron

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