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mediastinum

noun
me·​di·​as·​ti·​num | \ ˌmē-dē-ə-ˈstī-nəm How to pronounce mediastinum (audio) \
plural mediastina\ ˌmē-​dē-​ə-​ˈstī-​nə How to pronounce mediastina (audio) \

Definition of mediastinum

: the space in the chest between the pleural sacs of the lungs that contains all the tissues and organs of the chest except the lungs and pleurae also : this space with its contents
Other Words from mediastinum Example Sentences Learn More about mediastinum

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Other Words from mediastinum

mediastinal \ ˌmē-​dē-​ə-​ˈstī-​nᵊl How to pronounce mediastinal (audio) \ adjective

Examples of mediastinum in a Sentence

Recent Examples on the Web

 Limited-stage disease is used to describe lung cancer that’s only found within one lung, and may be found in the mediastinum between the lungs. — Amanda Macmillan, Health.com, "The Stages of Lung Cancer, Explained," 23 July 2019

First Known Use of mediastinum

15th century, in the meaning defined above

History and Etymology for mediastinum

New Latin, from Medieval Latin, neuter of mediastinus medial, from Latin medius

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More Definitions for mediastinum

mediastinum

noun
me·​di·​as·​ti·​num | \ ˌmēd-ē-ə-ˈstī-nəm How to pronounce mediastinum (audio) \
plural mediastina\ -​nə How to pronounce mediastina (audio) \

Medical Definition of mediastinum

1 : the space in the chest between the pleural sacs of the lungs that contains all the viscera of the chest except the lungs and pleurae also : this space with its contents
2 : mediastinum testis

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