1
.
| Brachiocephalic trunk |
2
.
| Trachea |
3
.
| Sino-atrial node |
4
.
| Border of fossa ovalis |
5
.
| Fossa ovalis |
6
.
| Crista terminalis |
7
.
| Valve of inferior vena cava |
8
.
| Latex cast cut across at junction of vena cava inferior with vena caval sinus |
9
.
| Right ventricle |
10
.
| Inferior cardiac branch of vagus nerve |
11
.
| Pulmonary trunk |
12
.
| Anterior semilunar cusp, (cut across) |
13
.
| Left semilunar cusp |
14
.
| Right semilunar cusp (cut across) (11-13 make up the pulmonary valve) |
15
.
| Supraventricular crest |
16
.
| Septal (medial) cusp of tricuspid valve |
17
.
| Latex cast in coronary sinus |
18
.
| Anterior papillary muscle |
19
.
| Posterior papillary muscle |