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Mediastinum | |
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![]() Frontal view of the body cavities: superior mediastinum labeled a, and the pericardial cavity, which is part of the inferior mediastinum, labeled d | |
![]() Mediastinum, lateral view. The division between superior and inferior is at the sternal angle. | |
Details | |
Identifiers | |
Latin | mediastinum[1] |
MeSH | D008482 |
TA98 | A07.1.02.101 |
TA2 | 3333 |
FMA | 9826 |
Anatomical terminology |
The mediastinum (from Medieval Latin: mediastinus, lit. 'midway';[2]pl.: mediastina) is the central compartment of the thoracic cavity. Surrounded by loose connective tissue, it is a region that contains vital organs and structures within the thorax, namely the heart and its vessels, the esophagus, the trachea, the vagus, phrenic and cardiac nerves, the thoracic duct, the thymus and the lymph nodes of the central chest.