336 



AX ATOMIC AL TECHNOLOGY. 



FIG. 97. TRANSE TION OP THE VENTRICLES, CAUDAL ASPEET; xl.5. 



the lateral bicuspid valve by its chordae tendineae. In the right, the surface adjacent to 

 the place of exit of the pulmonary artery is seen to be smoother than in other parts 

 ( 866). 



earned^ 



FIG. 98. TRANSECTION OP THE VENTRICLES, CEPHALIC ASPECT ; x 1.5. 



897. Fig. 98 The Ental Aspect of the Apices of the two Ventricles. In addi- 

 tion to points in common with Fig. 97, this figure well displays the very numerous reticu- 

 lations and trabeculcR of the right ventricle, and especially the presence of a very delicate 

 fibrous band, provisionally named trabecula tenuis, which connects the septum with the 

 \teral wall ( 879). 



DISSECTION OF THE HEART. 



898. After the careful inspection of the organ as a whole, and 

 the study and comparison of the various sections represented in 

 Fig. 93-98 (or at least of the figures if such preparations have not 

 "been made), the heart should be dissected as follows : 



