The second theory proposes persistence of the left ventral bud, which goes around in front of the duodenum and joins the rest of the pancreas from the opposite direction.
第二种学说认为在发育过程中胰腹侧原基从十二指肠的前面与背侧原基相互融合形成胰腺。
2
The ventral trunk forms plexuses, and distribute to the end of the oesophagus, the diaphragmatic surface of the stomach, the liver, the pancreas and the beginning part of the duodenum.