EXPLANATION OF PLATE XXXL 



A.— RIGHT SIDE OF THE HEART. 



A. Right Ventricle. 



B. Left Ventricle. 



C. Right Auricle. 



D. Anterior Vena Cava. 



F. Posterior Vena Cava. 



G. Thoracic Duct. 



H. Pulmonary Arteries. 



I. Coronary Artery — Nutrient Vessel of the Heart. 

 J. Pulmonary Veins. 



K. Aorta. 



B.— RIGHT SIDE OF THE HEART LAID OPEN. 



1. Anterior Vena Cava. 



2. Musculi Pectinati. 



3. Interior of Right Auricle, 



4. Division between Auricle and Ventricle. 



5. Posterior Vena Cava. 



6. Anterior Aorta. 



7. Posterior Aorta. 



8. Trunk of Aorta, as it arises from the Left Ventricle. 



9. Pulmonary Artery, as it arises from the Right Ventricle. 

 10. Semi-Lunar Valves. 



II. Interior of Right Ventricle. 



12. Tricuspid Valves. 



13. Chordae Tendineae. 



14. Papillary Muscle. 



15. Walls of Right Ventricle. 



