Anatomy of Coeliac Axis and Associated Structure

Question 1

What is the Coeliac Trunk

Answer 1

artery of the foregut
comes from aorta at T12
branches into 3 arteries: common hepatic, left gastric, splenic

Question 2

general features and location of stomach

Answer 2

muscular, mixes, acidifies and liquefies food
behind: abdominal wall, diaphragm, left lobe of liver
below: left dome of diaphragm,
in front of: pancreas, colon, spleen, left kidney

Question 3

arterial supply of stomach

Answer 3

left and right gastric
lesft and right gastro-epiploic
short gastric

Question 4

venous and lymphatic drainage of stomach

Answer 4

right and left gastric drains into hepatic portal, short gastric and left gastro-omental drain into splenic vein which drains into hepatic portal via superior mesenteric vein,
right gastro-omental also drains into SMV

lymph drains from surfaces to curvatures where gastric and gastro-omental lymph nodes are located which then drains into coeliac lymph nodes

Question 5

innervation of stomach

Answer 5

parasympathetic: branches of anterior and posterior vagal trunks
sympathetic: from T6-9 carried in splanchinic nerve

Question 6

duodenum

Answer 6

have 4 parts: superior, descending, inferior and ascending
first 2cm of superior is mobile and has mesentery
bile and 2 pancreatic (accessary and main) ducts attach to descending part

Question 7

arteries and veins of duodenum

Answer 7

Coeliac trunk from above
superior mesentery artery from below
gastroduodenal passes behind superior part which is a common site for ulcers
all veins drain into hepatic portal