Midgut

Question 1

What is the midgut comprised of (6)

Answer 1

Distal 1/2 of duodenum, jejunum, ileum, caecum, ascending colon, proximal 2/3 of transverse colon

Question 2

What is the difference between jejunum and ileum (vasa recta, lymphoid nodules, wall)

Answer 2

Jejunum: long vasa recta, few lymphoid nodules, thick heavy wall
Ileum: short vasa recta, many lymphoid nodules, thin light wall

Question 3

Which artery supplies the midgut

Answer 3

Superior mesenteric

Question 4

Origin of the superior mesenteric

Answer 4

Branch of the abdominal aorta (L1)

Question 5

Main branches of the superior mesenteric artery (2)? (And other branches? (3))

Answer 5

Main branches:
- jejunal artery
- ileal artery

Other branches:
- middle colic
- R. Colic
- ileocolic