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GI Physiology > 3. The Arterial Supply / Venous Drainage of the Alimentary Tract > Flashcards

3. The Arterial Supply / Venous Drainage of the Alimentary Tract Flashcards

1
Q

What are the 3 arteries which supply the Alimentary Tract?

A
  1. The Coeliac Trunk
  2. The Superior Mesenteric Artery
  3. The Inferior Mesenteric Artery
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2
Q

Where do the 3 arteries which supply the Alimentary Tract arise from?

A

The Abdominal Aorta

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3
Q

At what vertebral level does the Coeliac Trunk leave the Aorta?

A

T12, just below the Diaphragm

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4
Q

At what vertebral level does the Superior Mesenteric Artery leave the Aorta?

A

L1, on the Transpyloric Plane

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5
Q

At what vertebral level does the Inferior Mesenteric Artery leave the Aorta?

A

L3

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6
Q

What does the Coeliac Trunk supply?

A
  1. The Foregut
  2. The Pancreas
  3. The Liver
  4. The Spleen
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7
Q

What Organs are included in the Foregut?

A
  1. The Oesophagus
  2. The Stomach
  3. The Superior Part of the Duodenum
  4. The Descending Part of the Duodenum
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8
Q

What does the Superior Mesenteric Artery Supply?

A

The Midgut

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9
Q

What Organs are included in the Midgut?

A
  1. The Inferior Part of the Duodenum
  2. The Ascending Part of the Duodenum
  3. The Jejunum
  4. The Ileum
  5. The Caecum
  6. The Appendix
  7. The Ascending Colon
  8. The Proximal 2/3 of the Transverse Colon
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10
Q

What does the Inferior Mesenteric Artery Supply?

A

The Hindgut

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11
Q

What Organs are included in the Hindgut?

A
  1. The Distal 1/3 of the Transverse Colon
  2. The Descending Colon
  3. The Sigmoid Colon
  4. The Anal Canal
  5. The Rectum
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12
Q

What is the Boundary between the Foregut and the Midgut?

A

The Descending Part of the Duodenum, to the Inferior Part of the Duodenum

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13
Q

What is the Boundary between the Midgut and the Hindgut?

A

At the Proximal 2/3 of the Transverse Colon

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14
Q

What drains the Hindgut?

A

The Inferior Mesenteric Vein

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15
Q

What drains the Midgut?

A

The Superior Mesenteric Vein

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16
Q

What drains the Stomach?

A

The Gastric Vein

17
Q

Which Artery Supplies the Spleen?

A

The Splenic Artery

18
Q

What is the Splenic Artery a branch of?

A

The Coeliac Trunk

19
Q

Which Vein drains the Spleen

A

The Splenic Vein

20
Q

Where does the Gastric Vein feed into?

A

The Splenic Vein

21
Q

Which Veins drain the Pancreas?

A

The Pancreatic Vein

22
Q

Which Vein does the Pancreatic Veins drain into?

A

The Splenic Vein

23
Q

Which Vein does the Inferior Mesenteric Vein drain into?

A

The Splenic Vein

24
Q

What is formed as the Splenic Vein fuses with the Superior Mesenteric Vein?

A

The Hepatic Portal Vein

25
Q

Where does the Hepatic Portal Vein flow to?

26
Q

What happens to the blood sent to the Liver via the Hepatic Portal Vein?

A

It is processed and then sent into circulation

GI Physiology (22 decks)

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