Spinal ganglion 



Spinal nerve 



Spinal cord 



Posl. cardinal vein 

 Mesonephros — -^ 



Pleural cavity 

 Upper limb bud 



Liver 



Esophagus 

 Right king 



Coronary appendage oj 

 liver 



Vena cava inferior 



yotochord 



Dorsal aorta 

 Esophagus 



Bifurcation of trachea 

 Inferior vena cava 



Pleural cavity 



Pleuro-peritoneal 

 membrane 



Phrenic nerve in septum 

 transversum 



Fig. 34. — (continued). B, section through the Hver and anterior Hmb ])uds of 

 a 10 mm. pig embryo; C, section tlirough hver and one limb bud of a 10 mm. 

 human embryo (after Prentiss). The notochord is visible in C but is not 

 labelled; compare with B. (From Arey's Developmental Anatomy, with the 

 permission of the W. B. Saunders Company.) 



57 



