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GERR Anatomy > Arterial Supply of the Foregut and Midgut > Flashcards

Arterial Supply of the Foregut and Midgut Flashcards

1
Q

Where does the abdominal aorta enter the abdominal cavity

A

the aortic hiatus in the diaphragm and T12

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2
Q

In which direction does the abdominal aorta go and where does it terminate

A
  • courses inferiorly lying against the vertebrae
  • terminates at L4
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3
Q

What is a Triple A

A

Abdominal Aortic Aneurysm
- if ruptures there is a low survival rate

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4
Q

Which vessels are branched form the aorta

A
  • Brachiocelphalic trunk : rich subclavian and right common corotid
  • Left subclavian
  • left common corotid
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5
Q

What are the unpaired branches of the abdominal aorta

A
  • Coeliac trunk
  • Superior mesenteric artery
  • Inferior mesenteric artery
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6
Q

What are the paired branches of the abdominal aorta and what they supply

A
  • inferior phrenic arteries : supplies diaphgramn
  • Middle suprarenal arteries : supplies kidneys
  • Left and Right renal artery: supplies kidneys
  • Testicular or ovarian arteries
  • 4 Lumbar artery pairs: supply abdominal wall muscles, spinal cord, lumbar vertebrae
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7
Q

What are the terminal branches of the abdominal aorta

A

Left and Right common Iliac artery

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8
Q

List the features of the IVC

A
  • starts at L5 by the union of right and left common iliac veins
  • iliac veins are not branches of the IVC they’re tributaries
  • ascends in the abdominal cavity to the right of the abdominal aorta
  • passes through diaphragm opening at T8
  • has Renal veins branches
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9
Q

Where does the left testicular vein drain

A

Left renal vein

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10
Q

List the features of the Coeliac trunk

A
  • short unpaired branch of abdominal aorta
  • arises at T12
  • branches into the Splenic artery, left gastric artery and common hepatic artery
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11
Q

List the features of the common hepatic artery

A
  • larger than Left gastric artery but smaller than Splenic
  • becomes proper hepatic artery then branches into Left and Right Hepatic arteries
  • branches into right gastric artery , gastro-duodenal artery and right gastro-omental artery
  • supplies liver and gallbladder
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12
Q

List the features of the left gastric artery

A
  • smaller in diameter than common hepatic and splenic arteries
  • ascends then descends
  • supplies terminal part of esophagus and the fundus of stomach
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13
Q

List the features of the splenic artery

A
  • coiled vessel
  • travels along upper pancreas border , posterior to stomach then up to hilum of spleen
  • branches into short gastric artery and left gastro-omental artery
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14
Q

What does the right gastric artery supply and where does it arise form

A
  • lesser curvature part of the stomach and pyloric region
  • common hepatic artery
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15
Q

What does the gastro-duodenal artery supply, where does it arise form , and where is it heading

A
  • supplies stomach pylorus , proximal duodenum and head of pancreas
  • common hepatic artery
  • descending posterior to first part of duodenum
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16
Q

What does the right gastro-omental/epiploic artery supply and where does it arise form

A
  • supplies pyloric region and greater omentum
17
Q

What does the short gastric artery supply and where does it arise form

A
  • supplies fundus of stomach
  • splenic artery
18
Q

What does the left gastro-omental/epiploic artery supply and where does it arise form

A
  • supplies curvature of stomach / body
  • splenic artery
19
Q

What does Anastomose refer to

A

two arteries connecting = not terminal arteries

20
Q

List Anastomosis arteries

A
  • right and left gastric artery
  • right and left gastro-omental arteries
21
Q

List the features of the Superior Mesenteric Artery

A
  • artery arises at L1 level
  • branches into inferior pancreaticoduodenal a, jejunal aa, ileal aa, Ileo-colic a, Mid-colic a
22
Q

What is a vasa rectae

A
  • blood vessels branching from the branches of the superior mesenteric artery supplying the bowl with blood
23
Q

How does the arterial supply of the Jejunum differ from Ileum

A
  • jejunum has fewer arterial arcades and more widely spaced vasa raectae
24
Q

What are arterial arcades

A

anastomosing arterial arches in colon

25
Q

Label

A

1- Coeliac trunk

2- superior mesenteric artery

3- inferior mesenteric artery

26
Q

Label

A
27
Q

Label

A

A: Common hepatic artery

B: Left gastric artery

C: Splenic artery

28
Q

Label

A
29
Q

Label and Identify body part

A

Jejunum

30
Q

Label and Identify body part

A

Ileum

31
Q

Label

A

GERR Anatomy (5 decks)

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