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• Thoracic diaphragm - Wikipedia, the free encyclopedia

  In the anatomy of mammals, the thoracic diaphragm is a sheet of muscle extending across the bottom of the ribcage. The diaphragm separates the thoracic cavity from the abdominal ...

• Diaphragm (anatomy)

  In the anatomy of mammals, the diaphragm is a shelf of muscle extending across the bottom of the ribcage. The diaphragm separates the thoracic cavity (with lung and heart) from the ...

• Diaphragm (anatomy) - MSN Encarta

  Diaphragm anatomy, wide muscular partition separating the thoracic, or chest cavity, from the abdominal cavity. It is a characteristic of all...