abdominal blood supply (arteries)

at what point does the aorta become the abdominal aorta?

after it passes through the aortic hiatus of the diaphragm

what do the three major arteries of the abdominal aorta supply?

GI tract and its associated organs

what are the 3 organization levels of the gut?

• foregut

• midgut

• hindgut

what are the boundaries of the foregut?

esophagus → proximal duodenum

what are the boundaries of the midgut?

mid-duodenum → mid-transverse colon

what are the boundaries of the hindgut?

distal transverse colon → rectum

identify the highlighted compartment

foregut

identify the highlighted compartment

midgut

identify the highlighted compartment

hindgut

what major artery supplies this structure?

celiac trunk and its branches
(highlighted: foregut)

what major arteries supply this structure?

superior mesenteric artery and its branches
(highlighted: midgut)

what major arteries supply this structure?
(highlighted: hindgut)

inferior mesenteric artery

where do the right and left gastric arteries anastomose?

along the lesser curvature of the stomach

which arteries anastomose along the lesser curvature of the stomach?

right and left gastric arteries

where do the right and left gastroomental arteries anastomose?

along the greater curvature of the stomach

which arteries anastomose along the greater curvature of the stomach?

right and left gastroomental arteries

where do the right, middle, and left colic arteries anastomose?

via a rim called the marginal artery

which arteries anastomose along an anastomosis rim called the marginal artery?

right, middle, and left colic arteries

Identify this structure

celiac trunk

What abdominal region does this structure supply?

foregut
(highlighted: celiac trunk)

what major vessel of the body does this structure arise from?

abdominal aorta
(highlighted: celiac trunk)

Identify this structure

superior mesenteric artery

what abdominal region does this structure supply?

midgut
(highlighted: superior mesenteric artery)

what major vessel of the body does this structure arise from?

abdominal aorta
(highlighted: superior mesenteric artery)

Identify this structure

inferior mesenteric artery

what abdominal region does this structure supply?

hindgut
(highlighted: inferior mesenteric artery)

what major vessel of the body does this structure arise from?

abdominal aorta
(highlighted: inferior mesenteric artery)

A). Identify this structure
B). What other structure does this anastomose with?

A). left gastric artery
B). right gastric artery

A). Identify this structure
B). What other structure does this anastomose with?

A). left gastroomental artery
B). right gastroomental artery

A). Identify this structure
B). What other structure come together to form this?

A). marginal artery
B). right colic artery, middle colic artery, and left colic artery
(left colic artery not shown)

what are the 3 branches of the celiac trunk?

• left gastric artery

• splenic artery

• common hepatic artery

A). Identify this structure
B). What does this structure supply?
C). Where does this structure branch off from?

A). left gastric artery
B). lesser curvature of the stomach
C). celiac trunk of the abdominal aorta

A). Identify this structure
B). What does its main branch supply?
C). Where does this structure branch off from?

A). Splenic artery
B). the spleen
C). celiac trunk of the abdominal aorta

A). Identify this structure
B). Where does this structure branch off from?

A). Common hepatic artery
B). celiac trunk of the abdominal aorta

what are the 3 branches of the splenic artery?

• small pancreatic branches

• short gastric arteries

• left gastroomental artery

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). small pancreatic branches
B). Splenic artery
C). body & tail of the pancreas

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). short gastric arteries
B). splenic artery
C). fundus of the stomach

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). left gastroomental artery
B). splenic artery
C). greater curvature of the stomach

A). Identify this structure
B). What supplies blood to this structure?

A). lesser curvature of the stomach
B). left gastric arteries

A). Identify this structure
B). What vessels anastomose at this structure?

A). lesser curvature of the stomach
B). right and left gastric arteries

A). Identify this structure
B). What supplies blood to this structure?

A). Spleen
B). splenic artery

A). Identify this structure
B). What supplies blood to this structure?

A). body & tail of the pancreas
B). small pancreatic branches

A). Identify this structure
B). What supplies blood to this structure?

A). fundus of the stomach
B). short gastric arteries

A). Identify this structure
B). What supplies blood to this structure?

A). greater curvature of the stomach
B). left gastroomental artery

A). Identify this structure
B). What vessels anastomose at this structure?

A). greater curvature of the stomach
B). left and right gastroomental artery

what are the 2 branches of the common hepatic artery?

• proper hepatic artery

• gastroduodenal artery

what are the 4 branches of the proper hepatic artery?

• right gastric artery

• right hepatic artery

• left hepatic artery

• cystic artery

what are the 2 branches of the gastroduodenal artery?

• right gastroomental artery

• anterior/posterior superior pancreaticoduodenal branches

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). right gastric artery
B). proper hepatic artery → common hepatic artery
C). lesser curvature of the stomach

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). right hepatic artery
B). proper hepatic artery → common hepatic artery
C). right lobe of the liver

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). left hepatic artery
B). proper hepatic artery → common hepatic artery
C). left lobe of the liver

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). cystic artery
B). proper hepatic artery → common hepatic artery
C). gallbladder
*often branch of the right hepatic artery

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). right gastroomental artery
B). gastroduodenal artery → common hepatic artery
C). greater curvature of the stomach

what does the anterior/posterior superior pancreaticoduodenal branches supply?

duodenum and head of pancreas

A). Identify this structure
B). What supplies blood to this structure?

A). lesser curvature of the stomach
B). right gastric artery

A). Identify this structure
B). What supplies blood to this structure?

A). right lobe of the liver
B). right hepatic artery

A). Identify this structure
B). What supplies blood to this structure?

A). left lobe of the liver
B). left hepatic artery

A). Identify this structure
B). What supplies blood to this structure?

A). gallbladder
B). cystic artery

A). Identify this structure
B). What supplies blood to this structure?

A). greater curvature of the stomach
B). right gastroomental artery

what is the risk of a perforated duodenal ulcer?

contents of the gastroduodenal artery can leak into the peritoneal cavity, resulting in sepsis

what are the 4 branches of the superior mesenteric artery (SMA)?

• jejunal and ileal (intestinal) arteries

• ileocolic artery

• right colic artery

• middle colic artery

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). jejunal and ilea arteries
B). superior mesenteric artery
C). jejunum and ileum

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). ileocolic artery
B). superior mesenteric artery
C). terminal ileum, cecum, appendix, proximal ascending colon

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). right colic artery
B). superior mesenteric artery
C). ascending colon

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). middle colic artery
B). superior mesenteric artery
C). right colic flexure, proximal transverse colon

A). Identify this structure
B). What supplies blood to this structure?

A). jejunum and ileum
B). jejunal and ileal arteries

A). Identify this structure
B). What supplies blood to this structure?

A). terminal ileum, cecum, appendix, proximal ascending colon
B). ileocolic artery

A). Identify this structure
B). What supplies blood to this structure?

A). ascending colon
B). right colic artery

A). Identify this structure
B). What supplies blood to this structure?

A). right colic flexure, proximal transverse colon
B). middle colic artery

what are the 3 branches of the inferior mesenteric artery (IMA)?

• left colic artery

• sigmoidal arteries

• superior rectal artery

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). left colic artery
B). inferior mesenteric artery
C). distal transverse colon, descending colon

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). sigmoidal arteries
B). inferior mesenteric artery
C). sigmoid colon

A). Identify this structure
B). Which structure is this from?
C). What does it supply?

A). superior rectal artery
B). inferior mesenteric artery
C). upper rectum

what branch of the inferior mesenteric artery is its terminal branch?

superior rectal artery