G.I Anatomy Flashcards

1
Q

What separates the Subphrenic Recesses?

A

Falciform Ligament

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2
Q

What is another name for the Hepatorenal recess?

whats is its significant?

A

Morrison’s Pouch

If patient in supine position then fluid form the lesser sac will drain into this.

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3
Q

Blood supply to the pancreas

A

Head: branch of the gastroduodenal artery:
- anterior and posterior pancreatico-duodenal branches

Body: branch of splenic

great, inferior, dorsal splenic arteries

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4
Q

What structures do the large intestines lack in comparison to the small intestine?

A

Plica circularis

Villi

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5
Q

What features do the large intestines have that the small intestines lack?

A

Taeniae Coli

Haustra

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6
Q

What vessels that supply the stomach branch of the splenic?

A

Small gastric arteries - supply fundus

Left Gastric Epiploic artery

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7
Q

What is the other name for the Vater of Ampulla?

A

Hepto-Pancreatic Ampulla

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8
Q

What is the bilary tree pathways?

A

Bilary caniculi&raquo_space; intralobular ducts&raquo_space; Septal Bile ducts&raquo_space; Intraheptic ducts&raquo_space; right and left heptic ducts&raquo_space; Common heptic duct&raquo_space; Common bile duct&raquo_space; hepta- pancreatic ampulla

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9
Q

Where does the greater omentum start and What is the attachment?

A

Greater curvature of stomach and folds down and double backs on itself to attach to the anterior surface of transverse colon

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10
Q

What is the surface landmark of the gallbladder?

A

Right abdominal rectus lateral edge to the costal margin. Around the 9th intercostal space.

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11
Q

What is the surgical landmark defined by the cystic duct, cystic artery and I hepatic duct?

A

Calot triangle

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12
Q

What is the surgical manoeuvre that is done to prevent bleeding to the liver or bile duct? and why does it work?

A

Pringle’s Manoeuvre.

placing fingers through the epiploic foremen allows the anterior border of the lesser omentum which contains the hepatic triad:
- portal vein 
- Hepatic artery 
- bile duct 
to be pinched - preventing blood loss.
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13
Q

In what structure is the Hepatic triad found in?

A

Lesser Omentum

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14
Q

What constitutes the foregut?

A
From lower esophagus to major duodenal papilla . 
includes; 
- liver 
- spleen 
- Gallbladder 
- pancreas
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15
Q

What constitutes the mid gut?

A
Major duodenum papilla to 2/3rd across the transverse colon 
Includes:
- small intestines 
- appendices 
- ascending colon
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16
Q

What constitutes the hindgut?

A

distal 1/3rd colon to anal canal

17
Q

What passes through the inguinal canal?

A

Males - spermatic cord
Females - round ligament

ilio- ingiunal nerve

18
Q

What is the transplyoric plane? and what lies in it?

A

Plane that cuts through the plyorus of the stomach

Fundus of the gallbladder

Hilum of kidneys

1st part of the duodenum

Superior Mesenteric Artery

Route of transverse mesocolon

19
Q

What is the blood supply to the Greater omentum?

A

Gastro epiplyoric arteries

20
Q

Anatomically where is the spleen located?

A

left upper quadrant, ribs 9-11

21
Q

To which rib level does the liver rise to?

A

Inferior border of the 5th rib

22
Q

What is meant by the bare area of the liver?

A

An area not covered by peritoneum - direct contact with the diaphragm

23
Q

Where is the Gall bladder located?

A

Fossa formed by the right lobe and quadrate lobe of the liver

24
Q

How long is duodenum and what is its break down?

A

25cm

Superior: 5 cm
Descending: 7.5cm
Inferior: 10cm
Ascending: 2.5cm

25
Q

What cells produce mucus in the small intestines (not including the duodenum)?

A

Goblet cells

26
Q

How many muscle layers are there to the gallbladder and bile ducts and is there any peristalsis?

A

1 layer of smooth muscle.

No peristalsis - this is why stones are so prevalent

27
Q

Is ulcerative colitis throughout the colon mucosa?

A

Yes from caecum to anus.

28
Q

How could Crohns disease be described?

A

Transmural - all the way through the layers of the G.I.

anywhere from mouth to anus

skips lesions as opposed to being continuous

29
Q

Where does the Oesophagus start?

A

inferior constrictor at level of cricoid cartilage at C6

30
Q

Where does the oesophagus enter the diaphragm?

A

Right crus, T10 level

31
Q

Where does the transplyoric plane lie and what is in it?

A

Half way between sternal notch and upper borders of pubic synphysis

Hilum of Kidneys

Neck of pancreas

SMA emerges

32
Q

What does the left colic flexure sit on?

A

Spleen

33
Q

Where does the right gastric artery originate?

A

Hepatic artery

34
Q

What are the secretions of the G.I?

A

Salvia: 1.5L

Gastric: 2.5L

Bile: 500ml

Pancreas: 1.5L

Small intestines: 1L

Colon: 1502L