| 1
.
| Trachea |
| 2
.
| Internal thoracic artery |
| 3
.
| Brachiocephalic trunk |
| 4
.
| Superior vena cava |
| 5
.
| Upper lobe right lung |
| 6
.
| Right superior pulmonary vein |
| 7
.
| Ramus anterior right pulmonary artery |
| 8
.
| Ascending aorta (pointer on aortic valve) |
| 9
.
| Bronchus of right middle lobe |
| 10
.
| Right inferior pulmonary vein (at entrance into left atrium) |
| 11
.
| Right atrium |
| 12
.
| Margins of window cut through interatrial septum |
| 13
.
| Middle lobe right lung |
| 14
.
| Inferior lobe right lung |
| 15
.
| Diaphragm |
| 16
.
| Inferior vena cava (cut off at entrance into right atrium) |
| 17
.
| Valve of inferior vena cava |
| 18
.
| Septal (medial) cusp of tricuspid valve |
| 19
.
| Right ventricle |
| 20
.
| Left pointer: Anterior cusp of mitral valve Right pointer: Left ventricle |
| 21
.
| Left phrenic nerve |
| 22
.
| Left common carotid artery |
| 23
.
| Parietal pleura |
| 24
.
| Left vagus nerve |
| 25
.
| Aortic arch |
| 26
.
| Anterior mediastinal lymph node |
| 27
.
| Pulmonary trunk |
| 28
.
| Left superior pulmonary vein |
| 29
.
| Anterior segmental bronchus of upper lobe |
| 30
.
| Anterior lateral branch left pulmonary artery |
| 31
.
| Left auricle |
| 32
.
| Left atrium (pointer on posterior wall atrium in this specimen abnormally dilated) |
| 33
.
| Pericardium |
| 34
.
| Lingula of left lung |
| 35
.
| Lower lobe left lung |
