Lecture 19 Digestive Glands

Question 1

Where is liver located?

Answer 1

upper right quadrant

Question 2

What is the largest internal organ?

Answer 2

• liver

Question 3

What incases/protects the liver?

Answer 3

• ribs and costal cartilages

Question 4

Can you easily palpate the liver?

Answer 4

• no unless patient takes deep breath

- if you can palpate without deep inspiration it has become enlarged

Question 5

What splits the left lobe from right lobe?

Answer 5

• double layered peritoneum called the falciform ligament

Question 6

Ligamentum teres

Answer 6

• vessels pass through it as fetus

- umbilical vein travels through it

Question 7

Gallbladder

Answer 7

• gut derivative
• at some point in development has mesentery
• adheres to surface of the liver

Question 8

How does the gallbladder lose its mesentary

Answer 8

• it adheres to the anterior surface of the liver

- still considered mesenteric

Question 9

The liver has 4 lobes

Answer 9

• left lobe
• right lobe
• caudate lobe
• quadrate lobe

Question 10

What fissures run front to back?

Answer 10

• sagittal fissures

Question 11

What connects the sagittal fissures?

Answer 11

• horizontal fissure

Question 12

What is the anterior lobe of the liver that lies between the two sagittal fissures?

Answer 12

-quadrate lobe

Question 13

What is the posterior lobe of the liver that lies between the two sagittal fissures?

Answer 13

• caudate lobe`

Question 14

Ligamentum teres

Answer 14

• lies in left sagittal fissure

- obliterated after birth

Question 15

Ligamentum venosum and root of lesser omentum

Answer 15

• lies in posterior left sagittal fissure

-

Question 16

Gall bladder

Answer 16

• anterior right sagittal fissure

- quadrate lobe

Question 17

Where does the inferior vena cava pass in the liver?

Answer 17

• posterior sagittal fissure

Question 18

Porta hepatis

Answer 18

• region around h. fissure that is doorway to liver
• bile exiting
• blood entering
• nerve supply and lymphatics pass through
• horizontal fissure

Question 19

What part of liver makes contact with the post. abdominal wall?

Answer 19

• bare area of liver

- this part of liver is sec. retroperitoneal

Question 20

Is the liver retroperitoneal or mesenteric?

Answer 20

• it is both

Question 21

All peritoneum of the liver is considered?

Answer 21

• visceral

Question 22

What mesentery suspends the stomach?

Answer 22

• lesser omentum

Question 23

Where is omental foramen?

Answer 23

• right wall of lesser sac

Question 24

what ligament of the liver lines of with the midline of the body?

Answer 24

• falciform ligament

Question 25

Coronary ligament

Answer 25

- cut margin of visceral peritoneum that goes around the margins of bare area

Question 26

Lymph nodes/vessels

Answer 26

- tend to run alongside blood supply vessels in abdomen

Question 27

Bare area and diaphragm lymph system

Answer 27

- when they come together they from tiny channels that carry lymph from liver to thoracic lymph nodes - important route for metastasis of cancer

Question 28

Lung cancer

Answer 28

- can easily travel to liver through diaphragm into bare area of liver

Question 29

Functional left side bile drainage of liver

Answer 29

- left - quadrate - caudate

Question 30

Functional right side bile drainage of liver

Answer 30

- right side

Question 31

Functional left side arterial blood supply of liver

Answer 31

- left - quadrate - caudate

Question 32

Functional right side arterial blood supply of liver

Answer 32

- right | - quadrate lobes

Question 33

What lobe of liver has arterial blood supply from both the left and right side?

Answer 33

- quadrate

Question 34

What artery supplies the liver?

Answer 34

- the left and right hepatic arteries that branch off of the celiac artery

Question 35

What artery supplies the gall blader?

Answer 35

- cystic artery

Question 36

Approximate position of gall bladder

Answer 36

-intersection of lateral margin of rectus abdominus muscle and lower margin of costal margin

Question 37

cystic duct

Answer 37

- drainage from gall bladder

Question 38

Common bile duct

Answer 38

- comes into second section of duodenum | - where bile goes

Question 39

Cholesterol stones are found where?

Answer 39

- gall bladder

Question 40

Portal vein

Answer 40

- carries venous blood into liver from the intestines | - posterior to common hepatic artery and common bile duct

Question 41

Does the majority of the pancreas lie inferior or posterior to the stomach?

Answer 41

posterior

Question 42

Pancreas functions

Answer 42

- manufactures insulin and inserts it into blood | - pancreatic juices (exocrine)

Question 43

Is the pancreas 2nd retroperitoneal?

Answer 43

- Yes

Question 44

Hepatopacreatic ampulla (of Vater)

Answer 44

- where common bile duct and | - main pancreatic duct merge

Question 45

What blood supplies the head and neck of the pancreas?

Answer 45

- superior PD artery (celiac)

Question 46

What are the body and tail of the pancreas supplied by?

Answer 46

- splenic artery (celiac)

Question 47

What the head and uncinate process of the pancreas supplied by?

Answer 47

inferior PD aa (superior mesenteric)

Question 48

What part of the pancreas is mesenteric?

Answer 48

- the tail

Question 49

What part or parts of the pancreas is secondarily retroperitoneal?

Answer 49

- head, body, and neck