Gastrointestinal Tract II Flashcards

1
Q

Which mesentary is names ‘the mesentary’?

A

That which connects the jejunum and ileum to the abdominal wall

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2
Q

Is the liver intra- or retroperitoneal?

A

Intraperitoneal

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3
Q

Which is the largest solid viscus?

A

The liver

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4
Q

In which quadrant is the liver located?

A

Mainly in the upper right quadrant

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5
Q

Main functions of th eliver
1)
2)
3)

A

1) Bile production
2) Filter blood
3) Metabolisms

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6
Q

Surfaces of the liver

A

Diaphragmatic surface

Visceral surface

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7
Q

Qualities of the hepatic diaphragmatic surface

A

Smooth

Superior and anterior

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8
Q

Qualities of the hepatic visceral surface

A

Concave

Inferior and posterior

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9
Q

Number of hepatic lobes

A

Two

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10
Q

What divides the hepatic lobes?

A

The falciform ligament

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11
Q

Qualities of the inferior border of the liver

A

Sharp surface

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12
Q

Structures on the visceral side of the liver

A

1) Groove in which inferior vena cava and gallbladder sit

2) Hilum (or portal hepatis)

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13
Q

Structures making up portal hepatis

A

1) Hepatic duct
2) Hepatic artery
3) Portal vein

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14
Q

Constituents of the hepatic triad

A

1) Hepatic duct
2) Hepatic artery
3) Portal vein

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15
Q

Point of entry of hepatic traid

A

Portal hepatis (Hilum)

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16
Q

Role of hepatic duct

A

Drains bile from the liver

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17
Q

Role of portal vein

A

Brings venous blood form the GIT and abdomen into the liver for metabolism

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18
Q

Structures dividing the anatomical lobes of the liver

A

1) Falciform ligament

2) Venosum ligament

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19
Q

Names of hepatic accessory lobes

A

1) Caudate lobe

2) Quadrate lobe

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20
Q

Anatomical lobe containing accessory hepatic lobes

A

Right anatomical lobe

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21
Q

Hepatic sagittal fissures

A
Left = Ligament venosum
Right = Gallbladder and IVC groove
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22
Q

What makes up the hepatic left sagittal fissure?

A

Ligament venosum

23
Q

What makes up the hepatic right sagittal fissure?

A

Groove for the gallbladder and IVC

24
Q

Structures delineating the hepatic accessory lobes

A

1) Left, right sagittal fissures

2) Hilum

25
Q

Location of the gallbladder

A

Sits on the anterior visceral surface of liver

26
Q

Three parts of gallbladder

A

Fundus, body, neck

27
Q

Duct linking gallbladder with the common bile duct

A

Cystic duct

28
Q

Quadrant of the pancreas

A

Upper left quadrant

29
Q

Is the pancreas retro- or intraperitoneal?

A

Retroperitoneal

30
Q
Parts of the pancreas
1)
2)
3)
4)
A

1) Head
2) Neck
3) Body
4) Tail

31
Q

Location of pancreatic head

A

Surrounded by duodenal curve

Attached to descending and transverse duodenum

32
Q

Location of pancreatic tail

A

Closely related to hilum of spleen

Anterior to left kidney

33
Q

Functions of pancreas

A

Endocrine and exocrine

34
Q

Endocrine functions of pancreas

A

Secrete into blood (many small blood vessels in pancreas)

35
Q

Exocrine functions of pancreas

A

Secrete into main pancreatic duct and accessory pancreatic duct into duodenum

Main pancreatic duct+common bile duct –> Major duodenal papilla

Accessory pancreatic duct –> Minor duodenal papilla

36
Q

Quadrant of spleen

A

Left upper quadrant

37
Q

Ribs against which the spleen rests

A

9, 10, 11

38
Q

Danger of breaking ribs 9, 10 or 11

A

Jagged ends can damage splanchnic artery

Heavy bleeding into peritoneal cavity

39
Q

Path of aorta

A

1) Descends through thorax, penetrates diaphragm at T12
2) Splits into common iliac arteries at L4
3) Unpaired branches supply unpaired viscera

40
Q

Aortic branches supplying the gut

A

Celiac trunk (foregut), superior mesenteric artery (midgut), inferior mesenteric artery (hindgut)

41
Q

Structures on anterior aorta

A

Unpaired branches supplying unpaired viscera
- Celiac trunk, superior/inferior mesenteric arteries
Abdominal aorta has paired branches supplying viscera and abdominal walls
- Renal arteries, suprarenal arteries, testicular/ovarian arteries

42
Q

Paired arteries of anterior abdominal aorta

A

Renal arteries, suprarenal arteries, testicular/ovarian arteries

43
Q

Structures on posterior aorta

A

Only paired arteries (parietal arteries)

Phrenic arteries

44
Q

Foregut

A

Begins at abdominal oesophagus

Ends between inferior and superior duodenal papilla

45
Q

Midgut

A

Begins inferior to major duodenal papilla

Ends at distal third of transverse colon

46
Q

Hindgut

A

Begins just before left colic flexure (splenic flexure)

Ends mid anal canal

47
Q

Celiac trunk branches

A

Branches directly to pancreas, duodenum (before major duodenal papilla)

48
Q

Superior/Inferior mesenteric artery

A

Branch directly to the retroperitoneal duodenum, distal third of transverse colon, descending colon, rectum, anal canal

Supplies intraperitoneal jejunum, ileum, sigmoid colon through mesentary

49
Q

Way that paired viscera drain blood to IVC

A

DIrectly

50
Q

Way that unpaired viscera (except liver) drain to IVC

A

Via portal system

51
Q

Venous drainage of peritoneal unpaired viscera

A

Unpaired GIT –> Portal vein –> Hepatic veins –> IVC –> Right atrium

52
Q

Venous drainage of liver

A

Directly to IVC via hepatic veins

53
Q

Veins normally forming portal vein

A

Superior mesenteric vein and splenic vein