Superior mediastinum. Brachiocephalic trunk which then splits into right subclavian artery and right common carotid artery Left common carotid artery Left subclavian artery.
Continuation of the arch of the aorta Begins at the level of T4 Leaves the thorax via the aortic hiatus in the diaphragm at the level of T12, where it becomes the abdominal aorta. Posterior mediastinum Left side of the thoracic vertebral column and behind the esophagus at its origin Midline of the thoracic vertebral column at its passage through the aortic hiatus.
Bronchial arteries Mediastinal arteries Esophageal arteries Pericardial arteries Superior phrenic arteries Posterior intercostal arteries 9 pairs Subcostal arteries. Formed by the junction between the left and right brachiocephalic veins. Mediastinal veins Esophageal veins Pericardial veins.
Formed by the convergence of the jugular vein and the subclavian vein at the venous angle. Receive blood from the chest wall , neck, esophagus , lungs , and pericardium The right brachiocephalic vein is short and is more vertically oriented, while the left brachiocephalic vein is long and has more horizontal orientation. Vertebral veins Internal thoracic veins Inferior thyroid veins.
Formed by the right subcostal and ascending lumbar veins. Courses along the right side of the thoracic vertebral column Unpaired vein that drains into superior vena cava Enters the thorax via the aortic hiatus of the diaphragm Connected to the inferior vena cava IVC inferiorly. Hemiazygos vein Bronchial veins Pericardial veins Esophageal veins Right posterior intercostal veins run along the undersurface of the corresponding rib. Formed by the ascending lumbar and left subcostal veins.
Courses along the left side of the vertebral column and passes behind the aorta Unpaired vein that drains into the azygos vein Enters the thorax via aortic hiatus or the left crus of the diaphragm Connected to the left renal vein inferiorly. Formed by the 4 th to 8 th left posterior intercostal veins. Unpaired vein that usually drains into the azygos vein at the level T8 Located on the left side of the vertebral column.
Lines the inner surface of the thoracic wall and the mediastinum Divided into the following parts Cervical projects above the first cervical rib into the neck Mediastinal Costal Diaphragmatic. Lines the outer surface of the lungs and follows the contour of the lungs , including the fissures. Internal thoracic artery Posterior and superior intercostal arteries Superior phrenic artery.
Bronchial arteries. Costal part: intercostal nerve very sensitive to pain Diaphragmatic part: phrenic nerve. Pulmonary plexus derived from the sympathetic trunk and vagus nerve not sensitive to pain , temperature, or touch. Rib fractures , pleuritis , and pleural masses e.
IVC Right phrenic nerve. Esophagus Vagus nerv e anterior and posterior trunk. Some of them require your consent. Click on a category of cookies to activate or deactivate it.
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