5 RANA 



Open the abdominal cavity and expose the heart by cutting through the pectoral girdle as in 5. 



8. View of the great venous trunks converging to the heart. Remove the pericardium, draw the ventricle 

 forward so as to expose the dorsal side of the heart, and cut through the ligament connecting the base of the 

 ventricle to the dorsal wall of the pericardia! cavity. Heart ; sinus venosus ; inferior vena cava ; superior vence 

 cavce ; external jugular, innominate, internal iugufar, subscapular, subclavian, musculo-cutaneous, brachial veins. 

 Note also the pulmo-cutaneous veins opening into\the left auricle, and the hepatic veins opening into the 

 inferior vena cava. / 



