Definition of Thoracic diaphragm

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Thoracic diaphragm
For other types of diaphragm, see Diaphragm.
In the anatomy of mammals, the diaphragm is a sheet of muscle extending across the bottom of the ribcage. The diaphragm separates the thoracic cavity from the abdominal cavity and performs an important function in respiration.

In order to avoid confusion with other types of diaphragm, it is sometimes referred to as the thoracic diaphragm. Any reference to the diaphragm is understood to refer to this structure.


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