GASTRO

Question 1

Foregut

Blood supply, control, organs involved

Answer 1

Rotate 90 degrees
Blood supply = celiac trunk
Controlled = 
Symp T5 -9
Parasym X
from mouth to second part of duodenum
includes respiratory tract Lungs

Question 2

Midgut

Blood supply, control, organs involved, diseases

Answer 2

Rotates 270 degrees
Blood supply = SMA
Controlled =
Symp T 9-12
para X
from second part of duodenum to the splenic flexure
Midgut volvulus
Kartagener's syndrome ( failure of rotation due to no cilia)

Question 3

Hindgut

Blood supply, control, organs involved, diseases

Answer 3

Septation
Blood supply = IMA
Controlled=
Symp L1-2
Para splanchnic nerve
splenic flexure to anus
watershed are = splenic flexure due to least blood supply
Ischemic infarct (abdominal angina) SMA or IMA affected
-decrease blood flow to a part of the bowel due to narrowing or blockage of vessel
- pain comes and goes and usually increase after meal
Colonic ischemia
- occurs in watershed area commonly