Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Abdomen > Blood Suppy to GIT > Flashcards

Blood Suppy to GIT Flashcards

1
Q

What is the blood supply to the cervical part of the oesophagus?

A

Inferior Thyroid Artery - From thyrocervical trunk - From 1st part of subclavian a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the blood supply to the thoracic part of the oesophagus

A

Esophageal branch from the Thoracic Aorta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are are the main arteries that supply the Intra-abdominal part of the GIT

A

Branches from the Aorta on the anterior aspect

Foregut: Celiac Trunk

Midgut: SMA

Hindgut: IMA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What makes up the foregut, midgut and hindgut

A

The midgut is from below the Major Duodenal Papillae up until the distal 1/3 of the Transverse Colon
Work out the rest.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the main arterial supply of the mouth

A

External Carotid A

Common Carotid A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the origin of the Celiac Trunk and what are its branches?

A

From just below the aortic hiatus at T12

Branches:
Left gastric
Common hepatic
Splenic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the relations of the Celiac Trunk

A

Anterior:
-Omental bursa

Right side:

  • Right CCeliac Ganglion
  • Right Crus of the Diaphragm
  • Caudate Process of Liver

Left side:

  • Left celiac Ganlion
  • Left crus of Diaphragm
  • Cardia of Stomach

Inferior:

  • Upper border of Pancreas
  • Splenic vein
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which part of the stomach does the left gastric a. supply

A

Lesser curvature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the branches of the Left Gastric A

A

Oesophageal and Gastric branches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the branches of the Splenic A.

A

Numerous pancreatic A
Short gastric
Post. gastric
Left gastro-omental

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which artery runs in the gastrosplenic ligament

A

Left gastro-omental

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the branches of the Common Hepatic A

A

Right gastric

Gastroduodenal:

  • Right gastro-omental
  • Ant/post superior pancreaticoduodenal

Small Pyloric
Hepatic Artery Proper (Terminal and then splits)
Cystic A (from Right Hepatic A)
Supraduodenal (sometimes)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

In which functional lobe does the caudate and quadrate lobes lie

A

Functional Left Lobe
Sections 1-4

Sections 5-8 make up the Functional Right Lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which is the artery that supplies the gallbladder

A

Cystic A. from the Right Hepatic A.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What makes up the foregut that the coeliac trunk supplies

A

Abdominal GIT until the part of descending duodenum at the opening of the bile duct.

Liver and Gall Bladder
Greater Part of Pnacreas (Head, Neck and Body)
Spleen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the origin of the superior mesenteric artery

A

1cm below coeliac trunk

At L1 vertebra

17
Q

What are the SMA relations

A

Posterior to:

  • neck of pancreas
  • Splenic vein

Anterior to:

  • Left renal vein
  • Uncinate process of pancreas
  • 3rd part of duodenum
18
Q

What are the branches of the SMA

A 
Inferior Pancreatocoduodenal
Middle Colic
Right Colic (Marginal Colic comes off this)
Jejulnal Branches
Ilieal Branches

Ileocolic Trunk
-Ileal branch
-Caecal branch
Appendicular branch

19
Q

What is the origin of the Inferior Mesenteric Artery

A

At L3 vertebra

4cm above bifurcation of Aorta

20
Q

What are the branches of the Inferior Mesenteric Artery

A

Left Colic
Sigmoidal
Superior Rectal (essentially continuation of IMA)

21
Q

What does the Left Colic A. supply

A

Branch of Inferior Mesenteric A.

Supplies Distal 1/3 of Transverse Colon

22
Q

What is the embroylogical derivative of the GIT

A

Endodermal in origin

23
Q

What supplies the Distal Segment of the Anal Canal

A

Middle Rectal A (From the Inferior Vesical A of Internal Iliac)
Inferior Rectal A (of Internal Pudendal A of Internal Iliac)

24
Q

What are the points of Arterial Anastomoses of the GIT

A

1:

  • Superior Pancreaticoduodenal A. (of Coeliac)
  • Inferior Pancreaticoduodenal A (of SMA)

2:

  • Middle Colic A (of SMA)
  • Left Colic A (of IMA)

3:

  • Superior Rectal A (of IMA)
  • Inferior Rectal A (of Internal Pudendal A)
25
Q

What are the sites of Porto-systemic Anasomoses

A 
Gastro-oesophageal Junction
Anorectal Junction
Paraumbilical Region
Bare Area of Liver
Colic Flexures
Visceral Surface of Liver
26
Q

Explain the anastomosis at the Gastro-oesophageal junction

A

Portal:
-Oesophageal tributaries from Left Gastric Vein

Systemic:
-Oesophageal br. (drain into Azygous Vein)

Clinical:
-Oesophageal or gastric varices

27
Q

Explain the anastomosis at teh Anorectal Junction

A

Portal:
-Superior Rectal V

Systemic:
-Middle and Inferior Rectal Veins

Clinical:
-Rectal varices / Haemorroids / Piles

28
Q

Explain the anastomosis at the Paraumbilical Junction

A

Portal:
-Persistant Umbilical V (due to high pressure)

Systemic:
-Peri-umbilical brances (of Sup. and Inf. Epigastric Veins)

Clinical:
-Caput Medusae

29
Q

Explain the anastomosis at the Bare Area of the Liver

A

Portal:
-Branches of the Right Portal Vein, lying in liver tissue exposed to bare area

Systemic:
-Retroperitoneal Veins (drain into Lumbar, Azygos and Hemiazygos Veins)

Clinical:
-Dilated veins at risk during surgery

30
Q

Explain the anastomosis at the Colic Flextures

A

Portal:

  • Omental V.
  • Colonic V.

Systemic:
-Retroperitoneal V. (drain into veins of Ant. Abd. Wall)

Clinical:
No clinical name

31
Q

Explain the anastomosis at the visceral surface of liver

A

Portal:
-Patent ductus venosus (patent due to high pressure)

Systemic:
-IVC

Clinical:
-Is rare

32
Q

Which artery can get in the way of surgery due to duodenal ulcerations

A

Gastroduodenal Artery

33
Q

Which arteries of the GIT are “end arteries” that can cause fibrosis to organs if occluded?

A

Splenic Artery

Appendicular Artery

34
Q

What is the cause of Left Sided Varicocele

A

Pressure of SMA on Left Renal Vein

35
Q

What is the cause of Chronic Duodenal Ileus?

A

Pressure of SMA on duodenum.

Also called Superior Mesenteric Syndrome

Abdomen (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions