Blood supply to abdominal viscera

What is the pathway of blood through the liver to the IVC?

hepatic portal vein → liver → hepatic veins → IVC

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Describe structure at T12?

• Descending aorta enters abdomen via aortic hiatus

• Celiac trunk

Describe structure at L4-5?

bifurcation of abdominal aorta

Describe structure at L1?

SMA

Describe structure at L3?

IMA

Where is the location of the celiac trunk?

Above pancreas and above/behind stomach

Where is the splenic artery located?

behind stomach and above pancreas

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What branches off of the celiac trunk?

splenic artery, left gastric artery, common hepatic artery

What branches of the splenic artery?

left gastro-omental artery

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Where does the left gastro-omental artery run?

It branches from the splenic artery and runs within the greater omentum along the greater curvature of the stomach.

What do the left and right gastric artery supply?

lesser curvature of stomach

What do the left and right gastro-omental artery supply?

greater curvature of the stomahc

What branches off the left gastric artery?

esophageal branches

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What branches off the common hepatic artery?

proper hepatic artery

gastroduodenal artery

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what supplies the foregut, midgut and hindgut?

foregut: celiac trunk

midgut: SMA

hindgut: IMA

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What does the proper hepatic artery branch into?

cystic artery, right+left hepatic arteries, right gastric artery

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What branches off the gastroduodenal artery?

• right gastro-omental artery

• supraduodenal artery

• superior pancreaticoduodenal artery (anterior/posterior branches)

Whats an important landmark for SMA?

crosses over 3rd part of duodenum at L3

What does the SMA supply?

structured derived from embryological midgut: portion of duodenum → proximal 2/3 of transverse colon

• portion of pancreas

• distal ½ of duodenum

• jejunum and ileum

• cecum

• appendix

• ascending colon

What are the branches of SMA?

• inferior pancreaticoduodenal artery

• middle colic artery

• right colic artery

• ileocolic artery

• ileal branches of SMA

• jejunal branches of SMA

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What are the branches of the IMA?

• left colic artery

• sigmoid arteries

• superior rectal artery

What does the IMA supply?

supplies structures derived from embryological hindgut from distal 1/3 of traverse colon → superior aspect of rectum

• distal 1/3 of transverse colon

• descending colon

• sigmoid colon

• rectum

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Where do the left and right renal arteries come off of?

abdominal aorta

Where do the left and right superior suprarenal arteries come off of?

inferior phrenic arteries

Where do the left and right middle suprarenal arteries come off of?

abdominal aorta

Where do the left and right inferior suprarenal arteries come off of?

renal arteries

What do the jejunal and ileal branches of the SMA supply?

small intestine (ileum and jejunum)

What does the middle colic artery supply?

Transverse colon

What does the right colic artery supply?

ascending colon and transverse colon

What does the ileocolic artery supply?

terminal ileum, cecum, proximal ascending colon

What does the left colic artery supply?

descending colon and transverse colon

What does the sigmoid arteries supply?

sigmoid colon

What does the superior rectal artery supply?

proximal rectum

What does the proper hepatic artery supply?

liver and gallbladder (via cystic artery)

What does the supraduodenal artery supply?

1st part of duodenum

What does the superior pancreaticoduodenal artery supply?

1st and 2nd part of the duodenum

head of pancreas

What does the superior pancreaticoduodenal artery supply?

2nd and 3rd part of duodenum

head of pancreas