Stomach, Midgut and Vessels

Question 1

At what vertebral level does the pylorus normally lie?

Answer 1

L1

Question 2

how does the left vagus come to lie anteriorly on the stomach but the right vagus posteriorly?

Answer 2

rotation of the stomach in embryology

Question 3

what is a hiatus hernia?

Answer 3

stomach passing through the diaphragm

Question 4

what region of the gut does the superior mesenteric artery supply?

Answer 4

midgut

Question 5

list major parts of the midgut

Answer 5

• last 1/4 of duodenum
• jejunum
• ileum
• caecum
• ascending colon
• appendix
• 2/3 of transverse colon

Question 6

how does the internal structure of the jejunum compare with that of the ileum?

Answer 6

infoldings of mucous membrane (plicae circularis) are larger, more numerous and more closely set in jejunum,

Question 7

at what vertebral level does the superior mesenteric artery leave the abdominal aorta?

Answer 7

L1

Question 8

where the (vermiform) appendix located?

Answer 8

projecting outwards from the caecum

Question 9

What runs through the mesoappendix, and where does it originate from?

Answer 9

The appendicular artery and originates from ileocolic artery

Question 10

what is diverticulosis?

Answer 10

pouching of the colon, usually in the sigmoid colon

Question 11

what is diverticulitis?

Answer 11

inflammation on a diverticuli due to infection - caused by trapped faeces

Question 12

the colon is most easily moved from its lateral side. Why?

Answer 12

it possesses a short mesentry allowing it to move.