1
.
| Fragment of aorta at point of attachment of ligamentum arteriosum |
2
.
| Left pulmonary artery |
3
.
| Left auricle |
4
.
| Left pulmonary veins (superior vein partially hidden) |
5
.
| Left oblique atrial vein |
6
.
| Ventricular branches of circumflex branch of left coronary artery |
7
.
| Great cardiac vein |
8
.
| Coronary sinus (covered by thin layer of muscle continuous with atrial myocardium) |
9
.
| Left ventricle |
10
.
| Right pulmonary artery |
11
.
| Pericardial reflection at margin of oblique sinus |
12
.
| Left atrium |
13
.
| Right pulmonary veins |
14
.
| Atrial branch of left coronary artery |
15
.
| Right atrium |
16
.
| Inferior vena cava |
17
.
| Right coronary artery (in coronary sulcus) |
18
.
| Margin of dissected. area |
19
.
| Right ventricle |
20
.
| Middle cardiac vein (in posterior interventricular sulcus) |
21
.
| Posterior interventricular branch of right coronary artery |