#nerve_fiber__nervefiber__nerve_fibre__nervefibre  a threadlike extension of a nerve cell
  supertype:  #fiber__fibre  a slender and greatly elongated solid substance
  subtype:  #medullated_nerve_fiber  #effector.nerve_fiber  #axon  #dendrite
  part of:  #nervus
  part:  #neurolemma__neurilemma  thin membranous sheath around a nerve fiber

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