front 1 trachea | back 1 |
front 2 esophagus | back 2 |
front 3 Thymus | back 3 |
front 4 pericardium | back 4 |
front 5 right lung
| back 5 |
front 6 mediastinum (=space) | back 6 central compartment of thoracic cavity containing the heart, esophagus, trachea, phrenic and cardiac nerves, thoracic duct, thymus, and lymph nodes. |
front 7 left lung
| back 7 |
front 8 vagus nerve | back 8 |
front 9 brachiocephalic artery | back 9 |
front 10 diaphragm | back 10 |
front 11 Azygos vein | back 11 |
front 12 Interventricular sulci | back 12 |
front 13 brachial nerve plexus network of nerves (brachial nerve and brachial artery) | back 13 |
front 14 Ventricles
| back 14 |
front 15 Auricles
| back 15 |
front 16 Caudal Vena Cava | back 16 |
front 17 Cranial Vena Cava | back 17 |
front 18 Pulmonary trunk | back 18 |
front 19 Pulmonary arteries | back 19 |
front 20 aortic arch (1) thoracic aorta (2) | back 20 |
front 21 subclavian veins
| back 21 |
front 22 common carotid arteries | back 22 |
front 23 subclavian arteries
| back 23 |
front 24 atrioventricular sulcus | back 24 |