GI-embryology

Question 1

what does the GI tract develop from?

Answer 1

single gut tube

Question 2

what does the gut tube become to develop into the GI tract?

Answer 2

becomes hollow GI tract

Question 3

accessory organs develop as which stem from the gut tube?

Answer 3

buds (diverticulae)

Question 4

which structures does the foregut become?

Answer 4

• oesophagus
• stomach
• proximal duodenum
• liver
• gallbladder
• pancreas
• bile ducts

Question 5

which structures does the midgut become?

Answer 5

• distal duodenum
• jejunum
• ileum
• caecum
• appendix
• ascending colon
• proximal 2/3 of transverse colon

Question 6

which structures does the hindgut become?

Answer 6

• distal 1/3 TC
• descending colon
• sigmoid colon
• rectum
• upper anal canal

Question 7

which artery supplies all the foregut derivatives?

Answer 7

coeliac trunk

Question 8

which artery supplies all midgut derivatives?

Answer 8

superior mesenteric artery

Question 9

which artery supplies all the hindgut derivatives?

Answer 9

inferior mesenteric artery