#centrum  the main body of a vertebra
  supertype:  bone__os  rigid connective tissue that makes up the skeleton of vertebrates
  part of:  vertebra
  part:  hemal_arch__hemalarch__haemal_arch  a structure arising ventrally from a vertebral centrum and enclosing the caudal blood vessels
  part:  neural_arch__vertebral_arch__vertebralarch  a structure arising dorsally from a vertebral centrum and enclosing the spinal cord

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