1
.
| Anterior wall of right ventricle (retracted) |
2
.
| Anterior cusp tricuspid valve |
3
.
| Valve of inferior vena cava (viewed through right atrioventricular opening) |
4
.
| Anterior papillary muscle |
5
.
| Chorda tendinea |
6
.
| Septal (medial) cusp of tricuspid valve |
7
.
| Posterior cusp tricuspid valve |
8
.
| Membranous part interventricular septum |
9
.
| Atrioventricular septum |
10
.
| Posterior semilunar cusp (aortic valve) |
11
.
| Upper pointer: Anulus fibrosus (sectioned) Lower pointer: Cut wall of conus arteriosus |
12
.
| Anterior cusp of mitral valve |
13
.
| Muscular part interventricular septum |
14
.
| Chordae tendineae |
15
.
| Anterior papillary muscle |
16
.
| Left ventricle |
17
.
| Chordae tendineae (of posterior cusp of mitral valve) |
18
.
| Posterior papillary muscles |