Vessels of the Gut: Coeliac Trunk

Question 1

Origin of Coeliac Trunk

Answer 1

It has a very short course (1cm long), it originates from Abdominal Aorta opposite upper border L1 Vertebra/ Lower Border T12 Vertebra just below diaphragmatic opening, 1cm above origin of Superior Mesenteric A

Question 2

Course of Coeliac trunk

Answer 2

It runs Forwards, above Omental Tuberosity of Pancreas

Question 3

Superior relations of Coeliac Trunk

Answer 3

median Arcuate ligament of Diaphragm

Question 4

Inferior relations of Coeliac trunk

Answer 4

Omental Tuberosity of Pancreas

Question 5

Anterior relations of Coeliac trunk

Answer 5

Lesser sac, seperating The Coeliac trunk from lesser omentum

Question 6

Lateral Relations of Coeliac Trunk

Answer 6

3 Coeliac:
* Coeliac Lymph nodes
* Coeliac Ganglia
* * Coeliac plexus of Nerves

Diaphragm crura

Question 7

Coeliac trunk is seperated anteriorly from lesser omentum by

Answer 7

Lesser Sac

Question 8

3 terminal Branches of Coeliac Trunk

Answer 8

• Left Gastric A
• Hepatic A
• Splenic A

Question 9

Smallest branch of the 3 terminal br of Coelic trunk

Answer 9

Left Gastric A

Question 10

Largest branch of the 3 terminal br of Coelic trunk

Answer 10

Splenic A

Question 11

Course of Left Gastric Artery

Answer 11

1. originates from Coeliac Trunk
2. Moves Upwards & to the left, behind Lesser sac
3. it reaches to cardiac End of Stomach
4. It then descends along Lesser curvature
5. Ends by anastomosing with right Gastric A

Question 12

Branches of Left Gastric A & their Distributions

Answer 12

Oesophageal Branches:
* Ascends through oesophageal opening of diaphragm
* Supplies Abdominal parts of oesophagus & lower thoracic part of eosophagus

Gastric Branches:
* To upper part of lesser curvature & the adjoining parts of stomach (except for pyloric region)

Question 13

Course of Splenic A Artery

Answer 13

1. Originates from Coeliac trunk
2. It moves left posterior to (lesser sac &) Stomach, by running along Upper border of Pancreas
3. It crosses in front of: Left crus of Diaphragm, left suprarenal gland, left kindey
4. It then enters splenorenal (lineorenal) ligament
5. Near the spleen, it divides into splenic terminal branches that enter the hilum of spleen

Question 14

Enumerate branches of Splenic Artery

Answer 14

5 branches:
* Pancreatic Branches: largest of them is called arteria pancreatica magna
* Short gastric Branches
* Left Gastro-epiploic Artery
* Posterior gastric Artery
* Terminal Splenic arteries

Question 15

Short gastric branches of splenic A Arise from ____ & enter ____

Answer 15

terminal part of splenic A, & enter Gastrosplenic ligament

Question 16

Short gastric Branches of Splenic Artery supplies ____

Answer 16

Fundus of Stomach

Question 17

Course of Left Gastro-epiploic Artery

Answer 17

1. Arises from terminal part of Splenic Artery
2. it Descends downwards and to the right along Greater curvature, between Anterior Descending 2 layers of Greater omentum
3. Ends by Anastomosing with Right gastro-epiploic Artery

Question 18

Left Gastro-epiploic Artery supplies ____

Answer 18

Stomach (along greater curvature) & greater omentum

Question 19

Posterior gastric Artery Arises from

Answer 19

Intermidiate part of Splenic Artery

Question 20

Course of Posterior Gastric Artery

Answer 20

Ascends from intermidiate part of Splenic Artery behind lesser sac, up to fundus of Stomach, then to Descnds along posterior wall of Stomach

Question 21

Course of Hepatic Artery

Answer 21

1. Arises from Coeliac trunk
2. it move to the right & forewards, superior to 1st part duodenum, as Common Hepatic A
3. It then enters & runs through free border of lesser omentum, being anterior to portal vein & left to common bile duct, as Proper Hepatic A
4. It ends at porta hepatis by by dividing into right & left terminal branches

Question 22

Enumerate branches of Hepatic A

Answer 22

• Right gastric A
• Gastrodudenal A
• Supraduodenal A
• Right and left (terminal) hepatic A

Question 23

Course of Right gastric A

Answer 23

1. Arises from hepatic A just above duodenum
2. runs to the left in along lesser curvature, between 2 layers of lesser omentum
3. Ends by anastomosing with left gastric A

Question 24

Right Gastric Artery supplies____

Answer 24

• Pyloric Region of stomach
• 1st part of Dudoenum (additional not main)

Question 25

Course of Gastroduodenal Artery

Answer 25

1. Arise from Hepatic A just above duodenum
2. Descends behind Middle of first part duodenum
3. Ends by dividing into 2 terminal branches (superior pancreatico-duodenal A & Right Gastro-epiploic A )

Question 26

Relations of Gastroduodenal Artery

Answer 26

• Anterior: 2nd inch of 1st part duodenum
• Posterior: Portal Vein
• Right: common bile duct

Question 27

course of Superior Pancreatico-duodenal A

Answer 27

1. Arises as 1 of 2 terminal branches of Gastroduodenal A
2. Descends in groove between Duodenum & pancreas
3. Ends by anastomosing Inferior Pancreatico-dudoenal A

Question 28

Course of right Gastro-epiploic A

Answer 28

1. Arises as 1 of 2 terminal Branches of Gastroduodenal A (of hepatic A)
2. Runs to the left along greater curvature between 2 layers of Greater omentum
3. Ends by Anastomosing with left gastro-epiploic A

Question 29

Supraduodenal Artery origin

Answer 29

(inconsitant) either from hepatic A itself, or 1 of its branches (gastroduodenal A)

Question 30

Supraduodenal Artery Supplies____

Answer 30

Proximal inch (1st inch) of 1st part of duodenum

Question 31

Cystic Artery Arises from ____ it passes behind ____ and reaches

Answer 31

• Right terminal Hepatic A
• behind common hepatic duct
• Calot’s triangle & gall bladder