Stomach and Lesser Sac Session 11

Question 1

what is the gastric bed and what r the 3 structures

Answer 1

structures the stomach rests on

pancreas, splenic artery, part of duodenum

Question 2

how can tumours of the stomach spread

Answer 2

1. lymphatics to the nodes surrounding the coeliac axis

2. via veins to the liver

Question 3

How is the stomach joined to the liver

Answer 3

attached via lesser omentum

Question 4

what is the artery to the foregut

Answer 4

coeliac trunk

Question 5

what is the foregut

Answer 5

lower 1/3 oesophagus to 2nd part of duodenum

Question 6

foregut para and sympathetic nervous supply

Answer 6

greater splachnic T5-9
vagal trunks (CN 10)

Question 7

what four other organs apart from the stomach r supplied by the coeliac axis

Answer 7

liver, pancreas, part of duodenum, GB

Question 8

what is the path of the hepatic artery

Answer 8

behind the pylorus and first part of duodenum

Question 9

where is the gastroduodenal artery found

Answer 9

behind first part of duodenum

Question 10

arangement of the 3 structures of portal triad in relation to the hepatic artery

Answer 10

hepatic artery has portal vein behind and bile duct on right

Question 11

what does the left gastric artery supply and what is it a branch of

Answer 11

part of the lesser curvature of the stomach and some oesophageal branches
coeliac trunk

Question 12

what r the 5 parts of the stomach (up to down)

Answer 12

fundus, cardia, body, antrum, pylorus

Question 13

what is the parasympathetic innervation of the stomachs lesser curvature

Answer 13

branches of anterior vagal trunk (anterior gastric branches)

Question 14

where does the right gastro-epiploic artery originate from and where does it pass

Answer 14

branch of the gastroduodenal artery

passes beneath the pylorus

Question 15

where do the short gastric arteries arise from and what do they supply

Answer 15

splenic artery

fundus of stomach

Question 16

what r rugae and where r they located

Answer 16

folds of mucous membrane

inside the stomach

Question 17

what r the 3 borders of the lesser sac

Answer 17

greater omentum
lesser omentum
caudate lobe of liver

Question 18

what 2 structure lie posterior to lesser sac and what is their relation

Answer 18

pancreas
diaphragm
diaphragm is most superior

Question 19

common site for peptic ulcer adn consequences of this

Answer 19

posterior wall on first part of duodenum

can erode into gastroduodenal artery= bleeding

Question 20

what is pyloric stenosis

Answer 20

overdeveloped pyloric sphincter in children

so no emptying can occur, so when the stomach contracts= projective vomiting

Question 21

what is oesophageal varicies and what is the consequence of this

Answer 21

varicose veins of oesophagus that can bleed easily

Question 22

what is a porto-systemic shunt

why does this occur

Answer 22

venous blood from GI flows up veins of oesophagus into superior vena cava and shunts the liver
due to narrowing of vasculature in liver