GIT Emrbyology Flashcards
Hepatic diverticulum
Week 3
Dorsal bud of pancreas develops
Week 3
Ventral outgrowing of bile duct forms gall bladder and cystic duct
End of week 3
Development of stomach begins
Week 4
Duodenum elongates
Week 4
Mesoderm develops that separates the urogenital triangle and the anorectal canal
Weeks 4-6
Spleen develops in dorsal mesentery as a mesoderm derivative
Week 5
Formation of primary intestinal loop
Week 5
Endodermal proliferation occludes the gut tube
Week 6
Rapid elongation of midgut
Week 6
Herniation of intestinal loops into umbilical region
Week 6
Jejunoileal loops form
Week 6
Cloacal membrane ruptures forming the anal opening
Week 7
Rotation of the stomach 90 degrees clockwise
Weeks 7-8
Fully recanalised gut tube
Week 9