Exam 3: Glands Of Digestion

Question 1

Hepatic bile

Answer 1

Primary bile from liver

Question 2

Cystic bile

Answer 2

Concentrated bile from gallbladder

Question 3

Bile release controlled by

Answer 3

CCK

Vagus nerve

Question 4

Surface epi of gallbladder

Answer 4

Simple columnar

Question 5

Clear cells, AKA ___ have many ___

Answer 5

Cholangiocytes; microvilli

Question 6

Function of cholangiocytes

Answer 6

Concentrate bile by absorbing water

Question 7

Function of brush cells in gallbladder epi

Answer 7

Produce mucinogen

Question 8

The lamina propria of the neck of gallbladder contains

Answer 8

Small mucus glands

Question 9

Function of small mucus glands in neck of gallbladder

Answer 9

Lubricate narrow neck lumen

Question 10

Muscularis mucosae in gallbladder

Answer 10

ABSENT

Question 11

Submucosa of gallbladder

Answer 11

ABSENT (very unusual)

Question 12

Muscularis externa in gallbladder

Answer 12

Disorganized SM layer

Question 13

Covering of gallbladder

Answer 13

Mostly serosa

Some adventitia by liver

Question 14

2 parts of pancreas

Answer 14

Endocrine

Exocrine

Question 15

Endocrine pancreas made up of ___ which produce ___

Answer 15

Islets of langerhans; hormones

Question 16

Exocrine pancreas is made up of ____ which produce ____

Answer 16

Serous acini; digestive enzymes

Question 17

Which portion of pancreas is largest?

Answer 17

Exocrine

Question 18

In the serous acini, secretion is controlled by

Answer 18

CCK and ACh

Question 19

In pancreatic ducts, secretion is controlled by

Answer 19

Secretin and ACh

Question 20

Characteristics of pancreatic ducts

Answer 20

Centroacinar cells
Alkaline fluid
Collagen wrap

Question 21

Centroacinar cells are next to

Answer 21

Acinar cells

Question 22

Alkaline fluid in pancreatic ducts is produced by

Answer 22

Centroacinar and cuboid cells

Question 23

Function of alkaline fluid in pancreatic ducts

Answer 23

Buffer stomach chyme

Question 24

Function of collagen wrapping pancreatic ducts

Answer 24

Protection

Prevent leakage

Question 25

Hepatocytes

Answer 25

Microvilliated cuboidal cells

Question 26

____ collect bile from hepatocytes

Answer 26

Bile canaliculi

Question 27

Bile moves from ____ towards ____ in portal triad

Answer 27

Hepatocytes; bile duct branch

Question 28

Kupffer cells

Answer 28

Stellate macrophages

Question 29

Function of Kupffer cells

Answer 29

Phagocytosis of debris and aged RBCs

Question 30

Ito cells

Answer 30

Hepatic stellate cells

Question 31

Functions of Ito cells

Answer 31

Store lipids Store vitamin A Produce collagen 1, 3, 4 and GF

Question 32

Hepatic progenitor cells may develop from

Answer 32

Oval cells

Question 33

Portal triad consists of

Answer 33

Hepatic artery Portal vein Bile duct **also lymph vessels

Question 34

Hepatic sinusoids are dilated, ___ thin walled vessels, found between ____

Answer 34

Fenestrated; rows of hepatocytes

Question 35

What do hepatic sinusoids carry

Answer 35

Mixture of venous and arterial blood

Question 36

Structure of central vein

Answer 36

Fenestrated thin walled vessel

Question 37

Central vein collects blood from

Answer 37

Hepatic sinusoids

Question 38

Direction of blood flow within liver lobule

Answer 38

From portal triad towards central vein

Question 39

Space of Disse AKA

Answer 39

Perisinusoidal space

Question 40

Space of Disse is between

Answer 40

Hepatocytes and fenestrated hepatic sinusoids

Question 41

Why is space of Disse important

Answer 41

1. Blood directly contacts hepatocytes | 2. Slows blood flow

Question 42

Glisson’s capsule is made up of

Answer 42

Dense irregular CT covered w/ serosa