mediastinum
(me-di-as-ti-num)
5 syllables
Definition
noun. the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus
Example Sentence
The mediastinum lies between the right and left pleura.
Synonyms
thoracic cavity; space in the chest; part of the body that contains the heart
Antonyms
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mediastinum
