mediastinum
Pronunciation:
/ˌmiːdi.əˈstaɪnəm/noun
Definitions
The region in mammals between the pleural sacs, containing the heart and all of the thoracic viscera except the lungs.
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/ˌmiːdi.əˈstaɪnəm/Definitions
The region in mammals between the pleural sacs, containing the heart and all of the thoracic viscera except the lungs.