precavd 



rigW* aurick 



post- cava 



rigbt ventricle 



sys+cmlc aor+a 



pulmonary aoria 



left ouricic 



left ventricle 



coronary vein 



coronary artery 



ventral vicvy> 



tricuspid valve 



rigbi" corooory ar^cry 



systemic aorta 



right coronory vein. 



semilunar valves 



coronary sinus 

 bicuspid value 



Icffr coronary vein 

 left coronary ortery 



-pulmonary aorta 



onterior view 



(auricles cut away) 



Fig. 19-8. The heart is here shown in ventral and anterior view with the auricles cut away in order to illustrate the 



nature of the coronary circulation. 



