#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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