mediastinum
pronunciation
How to pronounce mediastinum in British English: UK [ˌmi:dɪæs'taɪnəm]
How to pronounce mediastinum in American English: US [ˌmidɪæs'taɪnəm]
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- Noun:
- the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus