Detailed dissection of heart
Interior of right atrium, posterior wall
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Image #121-1
Detailed dissection of heart
Interior of right atrium, posterior wall
An opening has been made in the anterosuperior part of the wall of the right atrium. Parts of the wall have been reflected to reveal the interior of this chamber. The heart has been positioned with its apex directed downward.
- Right pulmonary artery
- Right pulmonary veins
- Intervenous tubercle
- Inferior vena cava
- Valve of inferior vena cava
- Valve of coronary sinus
- Pectinate muscles (in reflected part of atrial wall)
- Position of atrioventricular node (covered by endocardium)
- Right atrioventricular opening
- Crista terminalis
- Superior vena cava
- Pericardium (cut along line of reflection onto heart)
- Crista terminalis (cut across, also see 10)
- Border of fossa ovalis
- Fossa ovalis
- Right auricle
- Fat overlying coronary sulcus
- Right ventricle