

, FIGURE 190 



190 Reconstruction of cephalic portion of azygos veins and anlages of azygos 

 segment of thoracic ducts in a 14 mm. cat embryo; (series 214, slides XIII, XIV, 

 XV, XVI and XVII), X 225. Ventral view. 



1 Sympathetic nerve. 



3 Precardinal or precava of right side. 



3' Right azygos vein, thoracic portion. 



6 Precardinal or precava of left side. 



6' Left azygos vein thoracic portion. 



34 Ventro medial azygos plexus. 



