Dissection of thorax from a posterior approach
Thoracic viscera.
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Image #132-7
Dissection of thorax from a posterior approach
Thoracic viscera.
The esophagus has been divided at the lower border of the second thoracic vertebra and again just above the diaphragm. The intervening portion of the esophagus has been removed to expose the trachea and pericardium. The latter has been opened to the margins of the oblique sinus.
- Intervertebral disc Th. II-III
- Esophagus (cut off)
- Trachea
- Upper pointer: Left subclavian artery Lower pointer: Left common carotid artery
- Recurrent laryngeal nerve
- Aortic arch (cut off at junction with descending aorta)
- Left pulmonary artery
- Upper pointer: Vagus nerve left (cut off) Lower pointer: Left main bronchus
- Lung left
- Left inferior pulmonary vein
- Left atrium (exposed by removing pericardium from posterior wall of oblique sinus)
- Left ventricle
- Pericardium (cut margin)
- Esophageal veins
- Upper pointer: Esophagus cut off) Lower pointer: Margin of esophageal hiatus
- Left pointer: Thoracic aorta (cut off) Right pointer: Thoracic duct (cut off)
- Brachiocephalic trunk
- Right vagus nerve
- Right brachiocephalic vein
- Azygos vein (cut off)
- Right main bronchus
- Bronchial branches thoracic aorta (cut off)
- Right pulmonary artery
- Upper pointer: Right superior pulmonary vein Lower pointer: Right inferior pulmonary vein
- Right lung
- Inferior vena cava
- Diaphragm
- Upper pointer: Greater splanchnic nerve Lower pointer: Intervertebral disc Th. XI-XII