THE VENTRAL PANCREAS 



397 





10 



12 



Figs. 10 to 12. Transverse sections of pig embryos. X 75 diam. Fig. 10, 

 '10 to 12' mm. Fig. 11,6.0 mm. (H. E. C, Ser. 1705, Sect. 252). Fig. 12.20.0mm. 

 (H. E. C, Ser. 59, Sect. 977). P. v., appendage of the left lobe of the ventral 

 pancreas, a;, epithelial nodule or cyst. For other abbreviations, see Figs. 4 to 7. 



although at this stage the circuit of the intestine is not quite 

 complete. Baldwin has recently reviewed the cases reported in 

 man, to which he adds another. In explaining the anomaly, 

 he assumes that ''ordinarily the left half of the ventral pancreas 

 atrophies," and concludes that the anomaly is due, either to a 

 persistence of the left half, or to an excessive growth of the right 

 half, which takes place ventral to the duodenum and extends to 

 the left. He does not decide between these two possibilities. 

 Since then. Miss Cords has reported another case. She does not 

 refer to right and left halves, or lobes, but considers that in her 



THE AMERICAN JOURNAL OF ANATOMY, VOL. 12, NO. 3 



