HK 3401 Lecture 18: Thorax 4

• School: University of Guelph
• Department: Human Kinetics
• Course: HK 3401
• Professor: Lorraine Jadeski

Document Summary

Superior mediastinum is located superior to the transverse thoracic plane passing through the sternal angel and the junction of vertebrate t4 and t5. From anterior to posterior, the main contents of the superior mediastinum are: thymus, great vessels related to heart and pericardium. Bifurcation of pulmonary trunk and roots of pulmonary arteries. Arch of aorta and roots of its major branches: brachiocephalic trunk, left common carotid artery, left subclavian artery. Brachiocephalic veins form posterior to the sternoclavicular joints by the union of the internal jugular and subclavian veins. At the level of the inferior border of the 1st right costal cartilage, the brachiocephalic veins unite to form the svc. The left brachiocephalic vein is more than twice as long as the right brachiocephalic vein because it courses from the left to the right side, passing anterior to the origins (roots) of the. Monday, november 7, 2016 three major branches of the arch of the aorta.