#chest_cavity__chestcavity__thoraciccavity  the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart
  supertype:  bodily_cavity__cavity__cavum  (anatomy) a natural hollow or sinus within the body
  part of:  pectus
  part:  mediastinum  the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus

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