SINCE 1828
mediastinum
noun
me·di·as·ti·num
| \ ˌmē-dē-ə-ˈstī-nəm
\
\
plural mediastina\ -nə
\
\
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
mediastinal
\ -ˈstī-nᵊl
\
adjective
\
adjective
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More Definitions for mediastinum
mediastinum
noun
me·di·as·ti·num
| \ ˌmēd-ē-ə-ˈstī-nəm
\
\
plural mediastina\ -nə
\
\
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
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