mediastinum Flashcards
superior mediastinum boundaries
- manubrium
- transverse thoracic plane
- anterior surface of the bodies of vertebrae T1-T4
- thoracic inlet
- parietal plura
superior mediastinum contents
- lower end of sternohyoid and sternothyroid muscles
- remnants of the thymus gland
- brachiocephalic veins and the superior vena cava
- arch of the aorta
- vagus, cardiac, phrenic, and recurrent laryngeal nerve
- trachea, oesophagus, and thoracic duct
superior mediastinum boundaries - manubrium
superior mediastinum boundaries - transverse thoracic plane
superior mediastinum boundaries - anterior surface of the bodies of vertebrae T1-T4
superior mediastinum boundaries - thoracic inlet
superior mediastinum boundaries - parietal pleura
superior mediastinum contents - lower ends of sternohyoid and sternothyroid muscle
superior mediastinum contents - remnants of the thymus gland
superior mediastinum contents - brachiocephalic veins and the superior vena cava
superior mediastinum contents - arch of the aorta
superior mediastinum contents - vagus, cardiac, phrenic, and recurrent laryngeal nerves
superior mediastinum contents - trachea, oesophagus, and thoracic duct
anterior mediastinum boundaries list
- body of the sternum
- pericardium
- transverse thoracic plane
- diaphragm
anterior mediastinum content list
- inferior extension of the thymus gland
in which age group is the inferior extension of the thymus gland usually visible in the anterior mediastinum
childen
anterior mediastinum boundaries - body of the sternum
anterior mediastinum boundaries - pericardium
anterior mediastinum boundaries - transverse thoracic plane
anterior mediastinum boundaries - diaphragm
middle mediastinum boundaries list
- transverse thoracic plane
- pericardium (anteriorly and posteriorly)
- mediastinal pleural on each side
middle mediastinum content list
- heart and pericardium
- ascending aorta
- lower half of svc (receiving part of azygos vein)
- tracheal bifurcation and both main bronchi
- superior and inferior pulmonary veins
- phrenic nerves