#nervus__nerve  any bundle of nerve fibers running to various organs and tissues of the body
  supertype:  fiber_bundle__fiberbundle__fibre_bundle__fibrebundle__fascicle__fasciculus  a bundle of fibers (especially nerve fibers)
  subtype:  motor_nerve  sensory_nerve  cranial_nerve  depressor_nerve  radial_nerve  splanchnic_nerve  sciatic_nerve  saphenous_nerve  ulnar_nerve  spinal_nerve
  part:  radicle  (anatomy) a small structure resembling a rootlet (such as a fibril of a nerve)
  part:  nerve_fiber__nervefiber__nerve_fibre__nervefibre  a threadlike extension of a nerve cell
     part:  neurolemma__neurilemma  thin membranous sheath around a nerve fiber
  part:  synapse  the junction between two neurons (axon-to-dendrite) or between a neuron and a muscle; "nerve impulses cross a synapse through the action of neurotransmitters"

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