mediastinum

play
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

Origin and Etymology of mediastinum

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


First Known Use: 15th century


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


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