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Mediastinum (inferior (posterior (thoracic portions of the esophagus,…
Mediastinum
inferior
middle
heart
phrenic nerves
pericardiophrenic vessels
anterior
location:
area between the body of the sternum and the pericardial sac
posterior
thoracic portions of the esophagus
descending aorta
thoracic duct
thoracic sympathetic chain
superior
contains portions of the vessels, trachea, and esophagus
the arch of the aorta and the right and left brachiocephalic veins can be found here
dividing point = the sternal angle
where the manubrium ends and the body of the sternum begins
at vertebral level T4 to T5
this is also where the bifurcation of the trachea occurs (where the carina can be found)
the arch of the aorta is also found here