#nervous_tissue__nervoustissue__nerve_tissue__nervetissue  tissue composed of neurons
  supertype:  animal_tissue  the tissue in the bodies of animals
  subtype:  fiber_bundle  grey_matter  white_matter
  part of:  nervous_system__nervoussystem__systema_nervosum__systemanervosum  the sensory and control apparatus consisting of a network of nerve cells
     part of:  body__organic_structure__organicstructure__physical_structure  the entire physical structure of an organism (especially an animal or human being); "he felt as if his whole body were on fire"

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