mediastinum Flashcards
Boundaries of the mediastinum
superior- thoracic inlet
Inferior- thoracic outlet
Posterior- vertebral column
Anterior- sternum
Lateral- mediastinal pleura
subdivisions of the mediastinum
Superior mediastinum
Inferior mediastinum
-Anterior
-Posterior
-Middle
Superior mediastinum region
Region superior to the intravertebral disc separating T4 and T5
superior mediastinum contents
thymus
Great veins
Arch of the aorta and its 3 branches
parts of the trachea and esophagus
Vagus and phrenic nerves
Thoracic ducts
anterior mediastinum
Region anterior to the pericardial sac and posterior to the sternum
posterior mediastinum
Region posterior to the pericardial sac and anterior to the thoracic vertebrae
Posterior mediastinum contents
esophagus
Lower end of trachea
Descending aorta and its branches
Azygous venous system
thoracic duct
Thoracic part of the sympathetic trunk
Medial mediastinum
Region that contains
pericardial sac
heart
great arteries
main bronchi
phrenic nerve