Definition, Meaning & Synonyms

mediastinum

noun
/ˌmiːdiəˈstaɪnəm/
Definition
The mediastinum is the central compartment of the thoracic cavity that separates the lungs and contains the heart, major blood vessels, trachea, esophagus, and other structures.
Examples
  • The mediastinum is an important area to examine during a chest X-ray.
  • In cases of mediastinum infection, prompt medical intervention is necessary.
  • The mediastinum can sometimes be affected by tumors that may lead to difficulty in breathing.
Meaning
The mediastinum serves as a space that houses important organs and structures crucial for the functioning of the respiratory and circulatory systems.
Synonyms
  • Thoracic cavity
  • Chest cavity