#vertebra  one of the bony segments of the spinal column
  supertype:  #bone__os  rigid connective tissue that makes up the skeleton of vertebrates
  part:  #centrum  #apophysis  #transverse_process
  part of:  #spinal_column
  subtype:  #cervical_vertebra__neck_bone  one of 7 vertebrae in the human spine located in the neck region
     subtype:  #atlas_vertebra__atlasvertebra__atlas__atla  the 1st cervical vertebra
     subtype:  #axis_vertebra__axis  the 2nd cervical vertebra; serves as a pivot for turning the head
  subtype:  #thoracic_vertebra__dorsal_vertebra  one of 12 vertebrae in the human vertebral column; thoracic vertebrae extend from the seventh cervical vertebra down to the first lumbar vertebra
  subtype:  #lumbar_vertebra  one of 5 vertebrae in the human vertebral column; lumbar vertebrae extend from the twelfth thoracic vertebra down to the sacral vertebrae
  subtype:  #sacral_vertebra  one of 5 vertebrae in the human spine that fuse in the adult to form the sacrum
  subtype:  #coccygeal_vertebra__coccygealvertebra__caudal_vertebra  one of 4 vertebrae in the human coccyx

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