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Diagram showing the brain connections of the vagus, glossopharyngeal, auditory, facial, abducent, and trigeminal nerves.

Connection of Brain Nerves

Diagram showing the brain connections of the vagus, glossopharyngeal, auditory, facial, abducent, and…

Diagram of a transverse section of the thorax. Labels: 1, anterior mediastinum; 2, internal mammary vessels; 3, triangularis sterni muscle; 4, right phrenic nerve between pleura and pericardium; 5, left phrenic nerve between the pleura and pericardium; 6, thoracic duct in posterior mediastrinum; 7, esophagus with left vagus in front and right vagus behind; 8, vena azygos major; 9, thoracic aorta giving off intercostal arteries; 10, gangliated cord of sympathetic; R.V., right ventricle; R.A., right auricle of heart in middle mediastinum; P.A., pulmonary artery; A., aorta; C., vena cava superior; V. dorsal vertebra.

The Thorax

Diagram of a transverse section of the thorax. Labels: 1, anterior mediastinum; 2, internal mammary…

Transverse section through the trachea and its immediate surroundings at the level of each of the upper five dorsal vertebrae.

Sections Through Trachea

Transverse section through the trachea and its immediate surroundings at the level of each of the upper…