#vertebra  one of the bony segments of the spinal column
  supertype:  bone__os  rigid connective tissue that makes up the skeleton of vertebrates
  subtype:  cervical_vertebra  thoracic_vertebra  lumbar_vertebra  sacral_vertebra  coccygeal_vertebra
  part:  centrum  apophysis  transverse_process
  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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