336 



A NA TOMICA L TECHNOL G Y. 



Fig. 97. — Transe tion of the Ventricles, Caudal Aspeet ; xl.5. 



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

 the place of exit o'T the pulmonary artery is seen to be smoother than in other parts 

 (S 866). 



ttcaStnuta < 



''^ carmal 



Fig. 98. — Transection op the Ventricles, Cephalic Aspect; xl.5. 



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

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

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

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

 \teral wall (§ 879). 



DISSECTION OF THE HEART. 



§ 808. After the careful inspection of tlie 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 : — 



