322 



ANA TOMICAL TECHNOL OGT. 



the W. pulmonales are fully distended, apply the ligature firmly 

 and remove the cannla. 



B. Into the right side. In like manner inject through the post- 

 cava, but no special manipulation is needed for the liquid to fill 

 the ventricle and the A. pulmonalis. 



843. Hardening. The heart may Ibe carefully laid in strong 

 alcohol upon cotton, with the base uppermost, or it may be suspended 

 by a thread passed about a small pin pushed transversely through 

 the extreme apex so as not to penetrate the ventricles. After two 

 days' immersion it will be fit for section or dissection. 



Injection with plaster. See explanation of Fig. 91. 



844. TABLE OP THE PRINCIPAL PARTS AND FEATURES OF THE HEART (CARDIA). 



E. Single Parts belonging equally to Both Sides. 1. Septum auriculare. 2. Sep- 

 tum ventriculare. 3. Ductus arteriosus. 



