#centrum  the main body of a vertebra
  supertype:  #bone__os  rigid connective tissue that makes up the skeleton of vertebrates
  part:  #hemal_arch  #neural_arch
  part of:  #vertebra  one of the bony segments of the spinal column
     part of:  #spinal_column__vertebral_column__vertebralcolumn__spine__backbone__back__rachis  the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back"
        part of:  #axial_skeleton__axialskeleton  the part of the skeleton that includes the skull and spinal column and sternum and ribs
           part of:  #endoskeleton  the internal skeleton; bony and cartilaginous structure (especially of vertebrates)

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