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mediastinum

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noun me·di·as·ti·num \ˌmē-dē-ə-ˈstī-nəm\

Definition of mediastinum

plural

mediastina

play \-nə\

  1. :  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

mediastinal

play \-ˈstī-nəl\ adjective

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Origin and Etymology of mediastinum

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

Medical Dictionary

mediastinum

play
noun me·di·as·ti·num \ˌmēd-ē-ə-ˈstī-nəm\

Medical Definition of mediastinum

plural

mediastina

\-nə\play

  1. 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. 2:  mediastinum testis

Learn More about mediastinum

  1. Britannica.com: Encyclopedia article about mediastinum

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