The anterior part of the thoracic wall has been removed. The neck and mediastinum have been dissected to display the major cervical and thoracic parts of the respiratory system. Reference should be made to views 116-ff. for earlier phases of the dissection of this specimen.
Mandible
Digastric muscle
Hyoid bone (covered by fibrous tissue)
Submandibular gland
Sternocleidomastoid muscle (cut off)
Larynx
Sympathetic trunk
Phrenic nerve right
Right vagus nerve
Recurrent laryngeal nerve (subclavian artery cut off to reveal loop formed by this nerve below artery)
Apex of lung (lying within cupula pleurae)
Trachea
Upper lobe right lung
Azygos vein (cut off at point of entrance into superior vena cava)
Right main bronchus
Right pulmonary artery
Esophagus
Right pulmonary veins
Middle lobe right lung
Inferior vena cava (cut off at entrance into right atrium)
Diaphragm
Common carotid artery
Internal jugular vein
Middle scalene muscle
Anterior scalene muscle
Brachial plexus (cut off)
Subclavian artery
Phrenic nerve left
Vagus nerve left
Recurrent laryngeal nerve
Aortic arch (cut off)
Upper lobe left lung
Left main bronchus
Pulmonary trunk (cut off)
Left superior pulmonary vein
Thoracic aorta
Left inferior pulmonary vein (at entrance into left atrium)