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mediastinum

me·dias·ti·num

UK/ˌmiːdi.əˈstaɪnəm/ uncommon

noun

1.

the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus

Origin

From New Latin mediastīnum, from Medieval Latin mediastīnus (“middling; middle”), from Latin mediastīnus (“a common servant”).

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Parts

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.