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THE STUDY OF SIX AND TEN MILLIMETER PIG EMBRYOS 



Spinal ganglion 



Peritoneal cavil 

 Lesser sac 



Common hepatic vein 

 (R. vitelline) 



R. ventral lobe liver 



R. ventricl 



Post, cardinal vein 

 Upper limb bud 



L. ventral lobe of liver 



L. ventricle 



FIG. in. Transverse section through the stomach of a 6 mm. pig embryo. X 26.5. 



Spinal cord 



Notochord 

 Post, cardinal vein 

 Dorsal aorta 



Inf. vena cava 



Portal vein 



R. umbilical vein 



Hepatic diverticulum 



Peritoneal cavity 



M \otome 



Post, cardinal vein 

 Upper limb bud 



Dorsal mesogastrium 

 Dorsal Icbe of liver 



L. vitelline vein 

 L. umbilical vein 



FIG. 112. Transverse section through the hepatic diverticulum of a 6 mm. pig embryo. 



X 26.5. 



