Lexic.us

Definition of Mediastinum

1. Noun. The part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus.

Definition of Mediastinum

1. Noun. (anatomy) The region in mammals between the pleural sacs, containing the heart and all of the thoracic viscera except the lungs. ¹

¹ Source: wiktionary.com

Definition of Mediastinum

1. [n -NA]

Medical Definition of Mediastinum

1. The space in the thoracic cavity behind the sternum and in between the two pleural sacs (containing the lungs). (27 Sep 1997)

Lexicographical Neighbors of Mediastinum

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