#sternum  the flat bone that articulates with the clavicles and the first seven pairs of ribs
  supertype:  bone__os  rigid connective tissue that makes up the skeleton of vertebrates
  part of:  pectus  axial_skeleton
  part:  corpus_sternum__gladiolus__gladiolu  the large central part of the breastbone
  part:  manubrium  the upper part of the breastbone
  part:  xiphoid_process__xiphoidproces  smallest of the three parts of the breastbone; articulates with the corpus sternum and the seventh rib

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