FIGURE 189 



189 Reconstruction of cephalic portions of azygos veins and anlages of 

 azygos segment of thoracic ducts in a 14 mm. cat embryo; series 34 (Princeton 

 Embryological Collection), slides XXIV to XXXII, 222 sections, X 225. Ventral 

 view. 



1 Sj-mpathetic nerve. 

 3 Right precava. 



3' Right azygos vein, thoraric jxjriion. 

 G Left precava. 



6' Left azygos vein, thoracic portion. 

 34 Ventro-medial azygos plexus. 



