1
.
| Right pulmonary artery |
2
.
| Right pulmonary veins |
3
.
| Intervenous tubercle |
4
.
| Inferior vena cava |
5
.
| Valve of inferior vena cava |
6
.
| Valve of coronary sinus |
7
.
| Pectinate muscles (in reflected part of atrial wall) |
8
.
| Position of atrioventricular node (covered by endocardium) |
9
.
| Right atrioventricular opening |
10
.
| Crista terminalis |
11
.
| Superior vena cava |
12
.
| Pericardium (cut along line of reflection onto heart) |
13
.
| Crista terminalis (cut across, also see 10) |
14
.
| Border of fossa ovalis |
15
.
| Fossa ovalis |
16
.
| Right auricle |
17
.
| Fat overlying coronary sulcus |
18
.
| Right ventricle |