ThethoraxDissectionandObservation.pptVIP

Left subclavian artery 　left and right phreric nerve 　left vagus nerve Left recurrent laryngeal nerve arterial ligament Right Phrenic n, Azygos v. recurrent n. The Trachea divides into right and left principal bronchi Tracheobronchial lymph nodes, mass of pigmented nodes, are on both sides of the trachea and in the vicinity of the its bifurcation and fill the angle in the fork of the trachea and intervenes of the right pulmonary artery and the esophagus Observe the carina of trachea Dissect the Pericardium The fibrous pericardium —the serous pericardium: *parietal layer *visceral layer Dissect Transverse sinus of pericardium Dissect Oblique sinus of pericardium Remove the heart and pericardium Observe Esophagus Dissect the right vagus vein and posterior vagus trunk Dissect the left vagus vein and anterior vagus trunk Dissect esophageal plexus Dissect azygos vein posterior intercostal vein Dissect thoracic duct Dissect thoracic aorta, posterior intercostal artery Dissect thoracic sympathetic trunk Dissection and Observation Thorax Sever the sternocostal joint external intercostal muscles Dissect the intercostal muscle External intercostal membranes internal intercostal muscles intercostal nerve Innermost intercostal muscles Reflect the anterior chest wall downwards by separating the ribs from the parietal pleura and the pericardium. Transverse thoracic muscle Internal thoracic artery and vein superior epigastric artery musculophrenic artery the costal pleura. The two pleural cavities are separate compartments and not continuous with each other. Observe the costomediastinal recess. Observe the costodiaphragmatic recess. Cut through the root of left lung from above downwards close to the hilum of lung. Observe the costal pleura. Observe the diaphragmatic pleura. Observe the costomediastinal pleura. Observe the costodiaphragmatic recess. Observe Lobes and Fissure of lungs Observe the pulmonary vein * ，bronchii * and pulmonar