Annotations
Right and left atria opened (Superior view)
1. Pulmonary valve
2. Aortic valve
3. Mitral valve
4. Tricuspid valve
5. Left atrium (enlarged )
6. Colonic mucosa (distal part)
7. Colonic mucosa (proximal part)
8. Pectinate muscle (right atrium)
Cross section of ventricles (Anterior view)
1. Right ventricle
2. Left ventricle
3. Colon (Taenia coli)
4. Interventricular septum