development of GI tract

Question 1

What structures derive from the foregut?

Answer 1

1. esophagus
2. stomach
3. duodenum
4. liver
5. gallbladder
6. pancreas
7. upper duodenum
8. spleen
   * supplied by celiac artery

Question 2

What structures derive from the midgut?

Answer 2

1. lower duodenum
2. midgut loop (jejunum, ileum, cecum, appendix, ascending and transverse colon)
   * supplied by superior mesenteric artery

Question 3

What structures derive from the hindgut?

Answer 3

1. cranial end (transverse distal 1/3), descending, sigmoid colon
2. caudal end (allantois, cloaca, anal canal, rectum)
   * supplied by inferior mesenteric artery